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Unformatted text preview: verwort Marchantia grows by bifurcation Moss
sporophyte
gametophyte ~system for water transport: hydroids and
leptoids
not true vasculature: lacks thickned walls
that are critical for support and transport
over a few cm
~sporophtes have stomata for gass
exchange (unlike liverworts)
~improtance of sphagnum or peat moss.
decays slowly, can abosorb 20x weight and
water Hornwort
sporophyte
gametophyte gametophyte body form: thalloid
sporophyte
1. horns
2. synapmorphy: grows at base instead of tip
3. can get quite tall: 20cm
4. has stomata for gas exchan...
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- Winter '09
- maloof
- Biology, Plants, Marchantiophyta, liverwort
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