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Rhynia is a single-species
genus of
Devonian vascular plants.
Rhynia gwynne-vaughanii was the
sporophyte generation of a vascular, axial, free-sporing...
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major was
first described by
Kidston and Lang in 1920 as the new
species Rhynia major. The
species is
known only from the
Rhynie chert in Aberdeenshire...
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extinct early vascular plants that are
considered to be
similar to the
genus Rhynia,
found in the
Early Devonian (around 420 to 393
million years ago). Sources...
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plant in the
Rhynie chert in Aberdeenshire, Scotland, and
named it
Rhynia. The
Rhynia plant was
small and stick-like, with
simple dichotomously branching...
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sporophyte is
branched and more
developed than the gametophyte.
Genera such as
Rhynia have a
similar life-cycle but have
simple tracheids and so are a kind of...
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became a
dominant part of
floras in the Jur****ic. Cross-section of a stem of
Rhynia, an
early land plant,
preserved in
Rhynie chert from the
early Devonian...
- only
found on the land - none
lived in the
water of
lakes or hot springs.
Rhynia typically grew on
sandy surfaces, and is
often preserved there in life position;...
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established in 1917,
under the name Psilophyta, with only
three genera (
Rhynia,
Horneophyton and Psilophyton) for a
group of
fossil plants from the Upper...
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normally on Psilotum.
Enations are also
found on some
early plants such as
Rhynia,
where they are
hypothesized to have
aided in photosynthesis. "Lower vascular...
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Transverse section of a
fossil stem of the
Devonian vascular plant Rhynia gwynne-vaughani...
