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Chapter 6: Flowering Plant Diversity

Terms in this set (24)

Angiosperm
-flowering plants
-most dominant, abundant, diverse
-more than 257,000 species
1) Flowers
2) Fruits
3) Broad Leaves
Flowers
-increase pollination: increasing fertilization
-holds reproductive structures
-4 parts (whorls)
Calyx (Non-Reproductive)
Outermost whirl of the sepal
Sepal
Green, leaf-like
Tepals
Petals and sepals are indistinguishable
Corolla (Non-Reproductive)
Colorful part, attachment made of petals
Stamen
Made parts
-anther
-filament
Anther
Holds pollen, pollen holds sperm
Filaments
Long, stalk holds the anther
Carpel/Pistil
Female part
-stigma
-style
-ovary
Stigma
Sticky part catches pollen
Style
Tube that connects the stigma to ovary
Ovary
Holds the egg/ovules
Imperfect
Missing 1 of its reproductive parts
-staminate
-pistillate
Staminate
Has a stamen, NO pistol, male
Pistillate
Has a pistol, NO stamen, female
Whole Plant
-Monoecious
-Dioecious
Monoecious
Have both sexes on same plant
Dioecious
-2 houses separate plants for sexes
-staminate or pistillate ONLY
Pollination Syndrome
Why look different
Inflorescence
Multiple flares from 1 "flower"
Capitulum
Florets from 1 head
Pollinations
1) pollen is released by anther
2) pollen is captured by stigma
3) pollen germinates
4) sperm are released, sperm travel the tube, sperm fertilizes the eggs

Eggs>Ovules>Seeds>Ovary
Pollen germinates
Grows a pollen tube through style to the ovary
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