Term
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Definition
the reproductive structures of angiosperms;is a highly modified shoot bearing specialized appendages (modified leaves) |
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Term
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Definition
-the modified shoot (or floral axis)
-shows the flower parts |
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Definition
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Term
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Definition
modified leaves where flowers are sometimes born in the axil |
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Term
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Definition
small, leaflike structures, located along the pedicel |
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Term
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Definition
outer protective and/or attractive atructures;consists of sepals and petals |
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Term
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Definition
male structures;produce and present pollen |
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Term
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Definition
-female structures; produce and protect ovules
-the site of pollination and fertilization
-all the carpels of the flower |
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Term
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Definition
flowers that possess a perianth, androecium and gynoecium; ex. is a lily |
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Term
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Definition
flowers that lack one or more of the three parts (perianth, androecium, gynoceium); ex: poinsetta |
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Term
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Definition
flowers possess both an androecium and a gynoecium (bisexual) |
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Term
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Definition
flowers that are lacking either an androecium or a gynoecium (unisexual) |
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Term
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Definition
flowers that only possess an androecium |
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Term
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Definition
flowers that only possess a gynoecium |
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Term
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Definition
species where both staminate (possess an androecium) and carpellate (possess a gynoecium) flowers are on the same individual |
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Term
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Definition
species where the staminate and carpellate flowers are on separate individual plants (ex marijuana) |
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Term
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Definition
-structure that makes up the perianth, when the perianth part are undifferentiated |
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Term
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Definition
occurs when the perianth is differentiated; outer whorl; protect the inner flower parts in the bud; often green |
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Term
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Definition
collective term for all sepals of a flower |
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Term
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Definition
occurs when the perianth is differentiated; inner whorl; usually colorful and attractive |
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Term
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Definition
collective term for all petals of a flower |
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Term
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Definition
pollen-bearing part of a flower; composed of a filament and anther; some are petal-like |
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Term
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Definition
part of stamen; usually has 4 pollen sacs (microsporangia) |
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Term
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Definition
where meiosis occurs which leads to the production of pollen grains (microgametophytes) |
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Term
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Definition
structure that joins the pollen sacs together and joins the pollen sacs to the filament |
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Term
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Definition
part of stamen; presents the anther |
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Term
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Definition
-an ovule-bearing unit(s) that make up the gynoecium |
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Term
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Definition
part of carpel; collects pollen; germination of pollen grains occur here |
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Term
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Definition
connects stigma to ovaries; specialized for pollen tube growth; part of carpel |
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Term
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Definition
part of carpel; surrounds and protects the ovules (female gametophytes); develops into fruits |
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Term
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Definition
contains the megagametophyte, which produces an egg and is surrounded by integuments; develops into seeds |
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Term
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Definition
a stalk that connects the ovule to the ovary wall |
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Term
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Definition
-nectar producing glands often found near the base of the androecium and gynoecium
-often form projections, lobes, or disklike strucutures
-also produced in nectar spurs formed by floral parts (petals) |
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Term
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Definition
an extra ornamentation found in some flowers; often attractive; can be outgrowths of perianth parts, stames, or receptacle; diverse in form and function |
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Term
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Definition
a flower can be divided in two or more planes to produce symmetrical halves; also called actinomorphic or regular; usually round flowers |
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Term
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Definition
a flower that can be only divided along a single plane in order to produce symmetrical halves; also called zygomorphic or irregular |
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Term
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Definition
flowers with no planes of symmetry; not common in flowers |
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Term
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Definition
fusion of like parts; petal fused to petal; carpel fused to carpel |
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Term
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Definition
-liked parts aren't fused
-opposite of connation |
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Term
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Definition
fusion of unlike parts; petals and sepals fuse; stamens fused to petals |
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Term
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Definition
unlike parts are not fused together; lilies |
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Term
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Definition
attachment of floral parts to receptacle (floral axis) |
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Term
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Definition
flowers where the perianth and androecium are inserted below the gynoecium; has a superior ovary |
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Term
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Definition
-flowers where a cuplike or tubular structure surrounds the gynoecium, but without being adnate (fused together) to it
-perianth and androecium are attached to the the rim of the hypanthium (floral cup)
-has a superior ovary |
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Term
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Definition
floral cups; another layer of protection around the ovary |
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Term
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Definition
flowers where the perianth and androecium appear to be attached to the upper part of the ovary due to fusion of the hypanthium to the ovary wall; has an inferior ovary |
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Term
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Definition
a chamber within an ovary; equals the same amount of carpels |
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Term
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Definition
wall(s)separating different locules |
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Term
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Definition
the part of the ovary to which ovules are attached |
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Term
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Definition
a fast way to convey information about a species flower |
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Term
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Definition
embryo within a seed within an ovule/fruit |
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Term
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Definition
passage through the integument of an ovule through which the pollen grain or pollen tube enters |
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Term
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Definition
in angiosperms, fusion of one sperm with the egg to form the zygote, and fusion of the second sperm with the polar nuclei to form the nutritive tissue, endosperm |
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Term
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Definition
triploid (3n) nutritive tissue in the seed of most angiosperms |
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Term
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Definition
a leaf or leaves developed at the first node of the embryo |
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Term
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Definition
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Term
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Definition
act of moving pollen from the anthers and putting it on the stigma |
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Term
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Definition
floral characteristics associated with pollination by various biotic or abiotic means (bird-pollination, bee-pollination, wind-pollination) |
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Term
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Definition
"seeds without sex"; type of asexual reproduction; embryo develops from from diploid cell in ovule;clone of mother plant |
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Term
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Definition
same flower; different flower on the same plant; different plant; mixed mating systems |
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Term
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Definition
- a genetic incompatibility system
-pollen doesn't germinate (seed doesn't grow)
-depends on single allele of haploid pollen |
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Term
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Definition
pollen tube doesn't elongate after germination; depends on two alleles of father plant |
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Term
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Definition
-a type of pollination
-"sex with self"
-pollen transfer within a flower
-no need for a pollen vector
-automatic self-pollination
-smart way to reproduce because it doesn't require a lot of energy |
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Term
Autogamy (autogamous) flowers |
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Definition
Floral characteristics of this type of pollination:
– Small, inconspicuous(not noticeable) flowers
– Petals don’t open ... no need to
– Bisexual flowers
– Stamens and stigma in close proximity
– Stamens and stigma mature at same time
-CAN'T occur in monoecious species |
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Term
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Definition
“Sex with a neighbor” -Pollen transfer between flowers of same plant(Another form of selfing) -Genetically identical to autogamy, but different ecological implications |
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Term
Geitonogamy (geitonogamous) flowers |
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Definition
Floral characteristics for "sex w/ a neighbor" pollination
– Colorful, showy flowers (for animal pollination)
– Flowers open for wind or pollinator access
– Stamens and stigma can be spatially separated
– Stamens and stigma can mature at different times |
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Term
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Definition
“Sex with a stranger”; Pollen transfer between flowers of different plants; outcrossing; Allows greater genetic diversity of offspring which reduces inbreeding deperession; Requires a pollen vector |
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Term
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Definition
Floral characteristics for this type of pollination:
– Colorful, showy flowers (for animal pollination)
– Flowers open for wind or pollinator access
– Stamens and stigma can be spatially separated
– Stamens and stigma can mature at different times |
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Term
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Definition
-Evolved early in land plants (gymnosperms)
-ancesteral characteristic
-Most common in temperate trees
-type of pollination
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Term
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Definition
– Plants often dioecious ... or stamens and stigma mature at different times – Flowering occurs before leaves develop – Petals/sepals reduced or absent – Stamens pendant (hanging) with long filaments – Feathery stigmas with large surface area – Lots of pollen (high pollen/ovule ratio) – Flowers often in catkins (long, pendant inflorescences) – Pollen often smooth, light, and small or larger with air spaces – ± One seed per flower |
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Term
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Definition
rare form of pollination; primarly marine or brackish |
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Term
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Definition
-pollination that is characteristic of angiosperms, but evolved early in the evolution of land plants (gymnosperms) -Found in most flowering plant families -Evidence of coevolution between angiosperms and pollinators |
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Term
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Definition
-an animal pollinator
Attracted to:
-Red flowers
-Tubular flowers can be penetrated by long beak
-Odorless (they have poor sense of smell)
-Large amounts of nectar (they are endothermic and have high energy needs)
-No landing platform (they can hover) |
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Term
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Definition
-a type of animal pollinator
Attracted to:
-Large flowers, open at night
-musky scent
-dull color
-They visit primarily for nectar (ex bananas, mangoes)
-are rare in temperate regions |
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Term
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Definition
-an animal pollinator
Floral characteristics of pollinated plants:
-Flowers dull in color
-Fruity fragrance
-Flowers “tough”
-Superior ovary
-Many carpels and stamens (they eat them) |
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Term
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Definition
-a type of animal pollinator
Characterisitics of pollinated flowers:
-Crepuscular (evening) or nocturnal opening of flowers
- Flowers white or pale in color
-Heavy, sweet fragrance (at night)
-Very long corolla tube (to match their long mouthparts)
-May not have “landing platform” as some of them can hover in flight |
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Term
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Definition
-an animal pollinator
Floral characteristics of pollinated plants:
-bright colors; often red
-flower during the day
-landing platform or dense inflorescence that serves as a platform
-could have long corolla tubes (pollinators have long mouthparts)
-nectar reward |
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Term
Syrphids (flower flies) and bombyliids |
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Definition
Not a highly specialized “syndrome” but these flies tend to visit small, easily accessible flowers in dense inflorescences |
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Term
Blow flies, carrion flies |
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Definition
• Dull brownish, purplish or greenish color • Scent of rotting meat or dung • Usually no reward ... fly is tricked into visiting flower and pollinating |
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Term
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Definition
-an animal pollinator
-Two main “flavors”, long-tongued (LT) and shorttongued (ST)
Pollinated Floral characteristics:
-Flowers are blue, violet or yellow (less commonly, red)
-Petals often with UV reflectance as nectar guides
-Landing platforms
-Bilateral symmetry (may be LT trait)
-also visit many generalized flowers visited by other insects |
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Term
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Definition
first symbol in a floral formula indicated radial symmetry |
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Term
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Definition
first symbol in floral formula indicates bilateral symmetry |
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Term
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Definition
first symbol in floral formulas indicates asymmetry |
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Term
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Definition
second item in the floral formula |
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Term
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Definition
the third item in the floral formula; |
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Term
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Definition
the fourth item in the floral formula is the number of stamens |
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Term
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Definition
the last item in the floral formula |
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Term
line with the carpel number |
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Definition
a line that indicates the position of the inferior ovary = line drawn above carpel # superior ovary = line drawn below carpel # |
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Term
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Definition
with the floral formula, this is indicated by a circle around the number representing the parts involved |
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Term
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Definition
in the floral formula this is used to indicate differentiation among the member of any floral part |
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Term
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Definition
in the floral formula this is indicated by a line connecting the numbers representing different floral parts |
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Term
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Definition
in the floral formula this is indicated by a line connecting the numbers representing the different floral parts |
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Term
sterile stamens/sterile carpels |
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Definition
in the floral formula this is indicated by placing a dot next to the number of these sterile structures. |
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Term
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Definition
in the floral formula this is used to indicate variation in the number of floral parts within a taxon used to separate the minimum and maximum numbers |
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Term
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Definition
in the floral formula, variation within a taxon in either connation or adnation |
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Term
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Definition
indicates the lack of a particular floral part in the floral formula |
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Term
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Definition
placed before and after the item to indicate that the calyx and corolla categories have been combined |
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Term
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Definition
item that is listed at the end of the floral formula |
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Term
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Definition
a term sometimes used for the structures in the center of the flower that contains the ovules -this term is equivalent in meaning to the term carpel if the carpels are distinct |
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Term
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Definition
in the corolla's of many bee pollinated flowers -lines or marks that direct bees to the nectar source |
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Term
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Definition
formed by the corolla directs pollinators toward the nectar and/or pollen and forces them to perform the movements required for pollination |
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Term
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Definition
-Arrangements of flowers on a plant – Form of shoot and arrangement of flowers – Taxonomically informative |
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Term
Determinate (monotelic) inflorescence
[image] |
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Definition
-a type of inflorescence
– Main axis of the inflorescence ends in a flower
– Top (or central) flower usually opens first
– Usually ancestral (evolved from) indeterminate |
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Term
Indeterminate (polytelic)inflorescence |
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Definition
- a type of inflorescence
– The growing point of the inflorescence only produces lateral (the side) flowers or partial inflorescences (groups of flowers).
– Bottom (or outer) flowers usually open first |
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Term
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Definition
-type of determinate inflorescence
-lateral branches of the inflorescence are composed of 3-flowered units that are showing opposite branching |
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Term
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Definition
-type of determediate inflorescence -like cyme – a cyme where the branches first produce several internodes before ending in a terminal flower |
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Term
[image]Helicoid (Scorpioid) cyme |
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Definition
-type of cymes -forms a coil due to the abortion of one flower wthin each of the three-flowered units |
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Term
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Definition
type of inflorescence is a dense terminal cluster of sessile (no stalk) flowers in indeterminate-> peripheral flowers open first in determinate-> center flowers open first |
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Term
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Definition
-a type of determinate or indeterminate inflorescence
-all the flowers often have pedicels of approximately equal length that arise from a common point at the apex of the inflorescence
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Term
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Definition
umbels that are usually umbels of umbels, but maybe racemes of umbels |
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Term
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Definition
-a kind of inflorescence
-consists of a dense. elongated, mass of inconspicuous, usually wind-pollinated flowers
-can be determinate or indeterminate |
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Term
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Definition
-type of indeterminate inflorescence
-a single axis with pedicellate flowers |
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Term
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Definition
-a type of simple, indeterminate inflorescence
-similar to a raceme but flowers are sessile (no pedicel) |
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Term
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Definition
-type of intermediate inflorescence
-a raceme with the pedicels of the lowermost flowers elongated, so that all flowers are at the same level
-looks like a menorah |
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Term
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Definition
-type of intermediate inflorescence
-a compound raceme (with branches)
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Term
head (capitulums) and umbels |
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Definition
-type of interdeterminate inflorescence
- have the oldest flowers on the periphery |
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Term
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Definition
-type of inflorescence that has a single axis
-one order of branching
-ex:racemes, spikes, umbels, and heads
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Term
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Definition
-type of inflorescence that has multiple floral axes -two or more orders of branching |
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Term
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Definition
type of inflorescence or flower that is borne on leaves |
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Term
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Definition
type of inflorescence or flower that is borne on older stems and/or trunks |
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Term
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Definition
A mature, ripened ovary along with its contents and any accessory structures |
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Term
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Definition
-product of the ovule after fertilization
-contains an embryo and often its nutritive tissue (endosperm, perisperm)
-reproductive part of angiosperms |
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Term
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Definition
seeds and fruits produced without fertilization (clonal) |
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Term
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Definition
fruits that mature without seeds |
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Term
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Definition
-fruit developing from a single ovary (carpel)
-ex: tomatoes, blueberries, peaches, cherries, apples |
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Term
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Definition
-a division of simple fruits
- fruits that develop from several ovaries in a single flower
-ex: raspberries, blackberries, |
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Term
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Definition
type of fruit that is from several ovaries from multiple flowers |
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Term
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Definition
a method or process of opening of a structure, like a fruit |
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Term
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Definition
type of fruit that is from several ovaries from multiple flowers |
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Term
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Definition
fruit with a dry/fibrous to leathery or fleshy outer husk that early to taridly breaks apart exposing one or more nutlike pits exposing seeds |
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Term
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Definition
-doesn't open up by itself
-many fleshy fruits have this characteristic |
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Term
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Definition
fruit wall can be fleshy, dry or hard |
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Term
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Definition
The hard inner layer of the pericarp of many fruits, such as the pit or stone of a cherry, peach, or olive |
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Term
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Definition
The middle, usually fleshy layer of a fruit wall. |
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Term
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Definition
The outermost layer of the fruit wall |
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Term
inferior ovaries in fruits |
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Definition
-type of ovary in a fruit
-the other floral parts fuse with the pericarp |
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Term
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Definition
a pretty small, indehiscent, dry fruit with an thin and close-fitting wall surrounding a single seed
ex:sunflower seed |
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Term
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Definition
-small, indehiscent, one seeded dry fruit,
-pericarp fused to ovary wall
-ex:corn |
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Term
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Definition
-pretty large indehiscent dry fruit
-1 seeded with hard or bony pericarp wholly or partially surrounded by a husk of bracts
-ex:acorn
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Term
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Definition
-a dehiscent fruit
-pods split along ventral side |
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Term
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Definition
-a dry, dehiscent fruit
-pods split along 2 opposite edges
-ex: peanut |
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Term
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Definition
-type of dehiscent, dry fruit
-similar to a legume
-a peice of tissue is left in the center
-pericarp splits along the junction of 2 carpels |
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Term
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Definition
-a dry, rarely fleshy dehiscent fruit
-the pericarp opens with pores or slits
-ex: opium poppy |
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Term
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Definition
-a dehiscent, dry fruit
-fruit splits into ≥2 achenelike segments with free seeds inside
-ex: helicopter seeds |
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Term
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Definition
-an indehiscent, fleshy fruit
-has one to many seeds
-mesocarp fleshy, -endocarp soft
-most fleshy frits are some variation of this kind |
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Term
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Definition
-an indehiscent, fleshy fruit
-has 1 or 2 seeds
-fleshy mesocarp
-hard endocarp
-endocarp is clearly distinct from the mesocarp
-have pits
-ex: peaches |
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Term
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Definition
-fleshy, indehesiant fruit
-Berry with a leathery rind (peel) with oil glands and specialized hairs
-characteristic of the citrus family |
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Term
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Definition
-A hard-rinded berry that includes accessory tissue
-a fleshy fruit, indehesiant fruit
-has an extremely hard exocarp, often thick, like a pumpkin |
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Term
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Definition
-an indehiscent fleshy fruit
-A berry-like fruit with most of the flesh derived from accessory tissue
ex: apple, most of the flesh is the receptacle |
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Term
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Definition
-attract animal dispersers
-“Cheap” rewards (sugars, water, water soluble vitamins) Seeds spit out, dropped, pass unharmed
-Contain nutrients used by the seed for development -Fats, oils, starches
-Toxins, hard shells or seed coats to deter herbivory |
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Term
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Definition
-dispersal that involves colorful, flesh or seed coat
-red, blue, black
-Fleshy, indehiscent fruits (berries, drupes, pomes), or fruits with fleshy accessory structures associated with the fruit -
– Seeds often protected by a bony wall or toxins
– No odor
- Nuts or seeds that are buried (hidden) |
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Term
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Definition
-type of fruit and seed dispersal
• odor important, color not so much
• Fleshy with hard centers
• Leathery or hard skin that open to reveal fleshy tissue, arilate seeds, or seeds with fleshy testa
• Seeds protected with toxins or thick walls
• Often associated with stockpiling food – Hiding nuts and seeds
– Nutritious - high oil content
-fruit often dropped from the plant |
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Term
dispersal by the plant itself |
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Definition
-type of fruit and seed dispersal
• Gravity
• Explosive discharge of seeds, fruits –>bc of Turgor pressure changes, hygroscopic tissues (ex: squirting cucumber, small movements cause them to trigger)
• Passive movements of fruits by wind, rain, animals
• Creeping movements of seeds themselves due to hygroscopic changes
peanut is a fruit that plants itself |
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Term
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Definition
-the nutritive tissue derived from fusion of the two polar nuclei and one sperm
-can either be homogeneous or ruminate
-may contain starch, oils, protein, oligosaccharides
-nourishes the developing embryo |
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Term
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Definition
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Term
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Definition
- a type of umbel
-has the have the oldest flowers on the bottom |
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Term
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Definition
-a type of umbel
-has the oldest flowers on the top/center |
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Term
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Definition
-a type of parthencarpic fruit
-is produced due to a mutation in genome, so seeds don't develop properly or don't develop at all. |
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Term
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Definition
- a type of parthencarpic fruit
-meiosis doesn't occur properly, but you still get some fertilization (white seeds) |
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Term
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Definition
endosperm that is uniform in texture |
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Term
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Definition
endosperm that is dissected by partitions that grow inward from the seed coat |
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Term
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Definition
-surrounds the seed -develops from the integuments |
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Term
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Definition
- region of the seed coat that develops from the outer integument. Variable in texture and color |
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Term
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Definition
- region of the seed coat that develops from the inner integument |
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Term
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Definition
- hard or soft, oily or fleshy, often brightly colored outgrowth of the seed – Usually derived from the funiculous or sometimes the outer integument |
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Term
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Definition
• Tufts of hairs on seed or fruit • Wings on seed or fruit • Dust-like seeds • Balloon-like testa or other inflated structures |
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Term
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Definition
type of dispersal • Fruits or seeds washed away by rainfall • Carried in water currents • Small, dry, hard seeds/fruits • May have spines or projections that help them anchor to a substrate • Slime • Unwettable surface • Low density (floating) |
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