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Polysporangiophytes, also
called polysporangiates or
formally Polysporangiophyta, are
plants in
which the spore-bearing
generation (sporophyte) has branching...
- (around 430 to 390 million
years ago). They are the
simplest known polysporangiophytes, i.e.
plants with
sporophytes bearing many spore-forming
organs (sporangia)...
- Zygnematophyceae.
Embryophytes consist of the
bryophytes and the
polysporangiophytes.
Living embryophytes include hornworts, liverworts, mosses, lycophytes...
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strand with a
central protoxylem.": 8 With this definition, they are
polysporangiophytes,
since their sporophytes consisted of
branched stems bearing sporangia...
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Polysporangiophytes...
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Polysporangiophytes...
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bilaterally symmetrical sporangia.
Evolutionary history of
plants Polysporangiophyte Two
spellings are in use: the
spelling used by the
original author...
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Scientific classification Kingdom:
Plantae Clade:
Embryophytes Clade:
Polysporangiophytes Clade:
Tracheophytes Sinnott, 1935 ex Cavalier-Smith, 1998 Divisions...
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Polysporangiophytes...
- al. In 2004,
Crane et al.
published a
unified cladogram for the
polysporangiophytes (plants with
branched stems bearing sporangia),
based on cladistic...
