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Seed plants W/O flowers (Division Coniferophyta: Conifers (50 Genera, 550…
Seed plants W/O flowers
Division Progymnospermophyta: Progymnosperms
Aneurophytales
Archaeopteridales
Evolution of seeds
Integument
Micropyle
Pollen Chamber
Division Pteridospermophyta: Seed Ferns
Emplectopteris
Large leaves
Division Coniferophyta: Conifers
50 Genera
550 Species
Long Shoots
Short shoots
Simple cones
Compound Cones
Suspensor
Division Cycadophyta: Cycads
Confused for ferns or palm trees
Thick cortex
no ovules
100 Species
Division Cycadeoidophyta: Cycadeoids
Extinct
Almost identical to cycads
Division Ginkgophyta: Maidenhair tree
Single species
Short & long shoots
No Cones
Ancestors not known
Division Gnetophyta
About 40 species
Anthophytes
Compound cones
Concepts
Lignophytes
Spermatophytes
Manoxylic Wood
Pycnoxylic wood
Gymnosperms
Angiosperms
