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