-
spines or leaves,
showing a
variety of
branching patterns that may be
isotomous, anisotomous,
pseudomonopodial or adventitious.
Elongate to
globose sporangia...
- and
connected by a
patelloid suture.
Branching is
variable though often isotomous (symmetrical).
Thick stem
comprising thin,
circular columnals without...
- branching: One, two, three, or many
branches produced from the same
place Isotomous branching:
Branches equal in
length and
thickness Anisotomous branching:...
-
Bathurstia was a
genus of
scrambling Silu-Devonian land
plant with
isotomously branching axes that grew to
heights of 30 cm. It is
aligned with the Zosterophylls...
- age. The
diagnostic characters are
naked parallel-sided axes
branching isotomously,
terminating in
solitary elliptical to
ovate sporangia with
height greater...
-
dichotomous branching that may be
either isotomous (equal or symmetrical) or
anisotomous (unequal).
Isotomous branches may be recurved,
while anisotomous...
- the system.
Common ancestry shared with M.
concinna indicates that an
isotomous branching system has
remained pivotal within its heritage. This, in comparison...
- ago). The
diagnostic characters are
naked parallel-sided axes
branching isotomously,
terminating in
vertically elongate sporangia (spore-forming organs)...
-
million years ago). The
diagnostic characters are
naked axes
branching isotomously,
terminating in ellipsoidal,
vertically elongate flat
sporangia which...
-
outgrowths ("enations"). When
branching occurs, the
branches are
either isotomous (equally sized) or
pseudomonopodial (one
branch is
larger than the other...
