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seed plants (cycads (monoxylic wood, long wide rays, secretory canals,…
seed plants
cycads
monoxylic wood
long wide rays
secretory canals
seed cones
pollen cones
dioecious
monoxylic wood
parenchymatous
soft
spongy
large compound leaves
radial seeds
angiosperms
flowering plants
carpels
sporophylls
closed structure
fruits mature carpels
archaeopteridales
progymnosperm
secondary phloem
siphonostele
pith surrounded by primary xylem bundles
spirally arranged simple leaves
conifers
simple leaves
needle shaped
one or two veins
scale shape
several parallel
endodermis
transfusion tissue
transfusion parenchyma
transfusion tracieds
pines
long shoots
short shoots
axils
pollen cones
simple cones
short unbranched axis
microsporophylls
seed cones
compound cones
shoot axillary buds
cone bracts
axillary buds
megasporophylls
ovuliferous scale
suspensor
megametophyte
proembryo
gnetophyta
vines
shrubs
broad leaves
gymnosperms
vessel elements evolved from trachieds
lignophytes
monophyletic
woody plants
spermatophytes
seed plants
fern reproduction
pycnoxylic wood
little parenchyma
hard wood
small simple leaves
flat seeds
gymnosperms
ovules
flat sporophylls
naked ovules
pine cones
aneurophytales
relictual progymnosperms
shrubs
large trees
resemble trimerophytes
megasporangium
integument
micropyle
pollen chamber
hole in the integument
trimerophytes
horse tails
ferns
progymnosperms
extinct
conifers
cycads
gymnosperms
megaphyllous leaves
pteridospermophyta
seed ferns
woody plant
manoxylic
soft
less dense
fern like foliage