-
lobes of the metaxylem.
Exarch protosteles are a
defining characteristic of the
lycophyte lineage.
plectostele – a
protostele in
which plate-like regions...
- erythropus). The
vascular steles are
polystelic protosteles. Stem
section shows the
presence of more than two
protosteles. Each
stele is made up of
diarch (having...
- than
terminal sporangia (often kidney-shaped or reniform), and
exarch protosteles, in
which the
protoxylem is
outside the
metaxylem rather than vice versa...
- the
classical concept of a microphyll, the leaf vein
emerges from the
protostele without leaving a leaf gap. Leaf gaps are
small areas above the node of...
- metastasis, metastasize, metastatic, metasystem, orthostates, orthostatic,
protostele, stasimon, stasis, stater, static, statoblast, statocyst, statolith, stela...
- metastasis, metastasize, metastatic, metasystem, orthostates, orthostatic,
protostele, stasimon, stasis, stater, static, statoblast, statocyst, statolith, stela...
- more but has no
apparent leaves. The stem has a core of thick-walled
protostele in its
centre surrounded by an
endodermis which regulates the flow of...
- cr****iparietilis and
Renalia had
bilaterally symmetrical sporangia and
protosteles.: 329
There is no
agreement on the
formal classification to be used...
-
morphological development as the
plant grew. The
young trunk began as a
protostele in
which the
outer xylem matured first (exarch), but the
later and higher...
- the
microphyllous leaves of
clubmosses developed by
outgrowths of the
protostele connecting with
existing enations The
leaves of the
Rhynie genus Asteroxylon...
