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Seed Plants (Gingophyta (Dicot, Large, Broad leaves, No cones),…
Seed Plants
Gingophyta
Dicot
Large
Broad leaves
No cones
Trimerophytes
psuedomonopodial branching
Progymnosperms
#
Megaphylls
Elongated Trachieds
Secondary
Xylem
Phloem
Little/No Parenchyma
Aneurophytales
Shrubs
Primary Xylems
little webbing
Protostele
Conifers
Diverse
Leaves
one/two veins
Axillary Bud
Ovuliferous Scale
Seed Ferns
Upper Devonian Period
Earliest
Pteridosperms
#
Very Tall
Wood
less dense
Thick Cortex
Leaves
#
Cycadeoidophyta
Extinct
Cycadeoids
Gnetophyta
Vines
Vascular Cryptograms
Heteromorphic Generations
new sporophyte
temporarily dependent
sporophyte perish
New Genes
identical
Mutations
Improves survival
Free living gameophytes
in soil
cant be reached
Megasporophylls
microspores transportation
Evolution of seeds
Vascular Cambia
Independent
Longitudinal division
slender lycophyte
lignophytes
Megasporangium
#
Single Megaspore
Mother cell
Grows into Coenocytic
