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Nonvascular Plants (Division Anthocerotophyta: Hornworts (gametophytes #…
Nonvascular Plants
Division Anthocerotophyta: Hornworts
gametophytes
#
numerous chambers
3-4 protonema cells
sporophytes
above foot continuous production
dies in lab conditions
resemble thalloid liverworts
#
Division Bryophyta: Mosses
gametophores
apical meristem with prominent apical cell
Water Transport
hydroids
conduct water and dissolved minerals
leptoids
resemble sieve cells
rhizoids
anchor stem
Development
protonema
network of branched system of similar cells
Reproduction
antheridia
sperms
archegonia
eggs
sporophytes
foot
small bulbous tissue
capsule
apical sporangium
operculum
caplike lid
peristome teeth
made via cell breakage
calyptra
apex of sporangium
Division Hepatophyta: Liverworts
gametophytes
leafy liverworts
resembles moss
#
thallose liverworts
'body'
air pores
antheridiophore
umbrella shaped
archegoniophores
stalked with radiating fingers
Sporophytes
elaters
elongate cells