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plant kingdom from angiosperms - Coggle Diagram
plant kingdom from angiosperms
Gymnosperms
living fossils.ex-cycas and ginkgo biloba
woody climber.ex-gnetum(lianes)
based on size
smallest.ex-zamia pygmae
largest.ex-sequiodendron giganteum
symbiosim
corolloid roots.ex-cycas
ectotrophic mycorizzal roots ,ex-pinus
stem
branched.ex-pinus,cedrus
unbranched.ex-cycas,zamia
folliage leaves
pinnately.ex-cycas-compound leaves
simple unlobed-gnetum
acircular.ex-pinus
vennation.
reticulate.ex-gnetum
dichotomous-ginkgo
parallel-welwitschia
arrangement of leaves
whorlled.ex-cedrus
spiral.ex-taxus
opposite.ex-gnetum
based on wood
manoxylic.ex-cycas
pycnoxylic.ex-conifers-pinus
secondary growth-
monoxylic-pinus
polyxylic -cycas,gnetum
sexes
monoceious-pinus
diecious-cycas
no.of sporangia
numerous microscpic-cycas
2 sporangia-conifers-pinacea family
no of male protalli
2-pinus
similar to angiosperms-gnetum
1-cycas
liberation of male gametes
3-celled.ex-cycas
4-celled.ex-pinus
motility of male gamete
motile-ginko and cycas
non motile-ususally
ovules
unitegmic-usually
bitegmic-gnetum
anatropous-pinus
no.of cotyledons
two-cycas
many-pinus
angiosperms
