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22 Cards in this Set

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Angiosperms
Flowering plants
Gymnosperms
Pines and Cycads
Ovule
Megasporangium
Anther
Microsporangium
Stigma
Stickey Material; The terminal surface that recieves pollen grains
Style
Stigma position; The apical stalk of the pistil
Ovary
Ovule development; The swollen base of the pistil containing one or more ovules
Petal
Attracting pollinators
Sepal
Protects immature flower bed; outer leaves
Pistil
A structure composed of 1 carpel and 2 or more fused carpels
Petals
Inner leaves
Corolla
Collectively the inner leaves
Calyx
Collectively the outer leaves
Cycadophyta
Palm like plants of the Tropics and Subtropics, growing as tall as 20 meters high; probably closest to the earliest seed plants
Ginkophyta
Were common during the Mesozoic era; represented today by a single genus and species, the maidenhair tree (both male and female)
Gnetophyta
Consists of 3 very different genera that share certain characteristics with the angiosperms
Pinophyta
The conifers; By far the most abundant of the gymnosperms; cone-bearing plants such as pines and redwoods
Receptacle
Central Stalk
Inflorescence
When flowers are grouped together
Pollen Grains
A male gametophyte
Double Fertilization
Was long considered the single most reliable distinguishing characteristic of the angiosperms; one sperm combines with the egg to produce a diploid zygote, the 1st cell of the sporophyte generation
Endosperm
A triploid tissue; nourishes the embryonic sporophyte during its early development