- thick.
Conceptacles small but
raised and visible.
Carposporangial and
tetrasporangial conceptacles are common. Very
common growing epiphytically on other...
-
Polysiphonia it
consists of a
sequence of a gametangial,
carpospoangial and
tetrasporangial phases.[page needed] Male (haploid)
plants (the male gametophytes)...
-
globular rather than
small and oblong, and
there is a
single row of
tetrasporangial sori
rather than the
multiple irregular rows of P. ****onica. Guiry...
-
decussate stamens in
pairs of 40–70 in a spiral, non-versatile, basifixed,
tetrasporangial, latrorso,
apiculate anthers,
dehiscence along 2
longitudinal valves...
-
rhizoids are
numerous growing from the
pericentral cells.
Gametangial and
tetrasporangial plants are not known.
Reproduction is by
specialized propagules England...
-
history is a
sequence of
three phases: gametangial,
carposporangial and
tetrasporangial. Two of the
phases are similar. The
plants are
dioecious with ****tangial...
- is ****umed to
follow the
Polysiphonia life cycle, with ****ual and
tetrasporangial generations.
Tetrasporangia formation is also
known to be affected...
-
release these germinate and
develop into the
gametangial phase. No
tetrasporangial phase is known. (Dixon and
Irvine 1977 p. 148)
However tetraspores...
-
narrow lamina and
cystocarp forms near the apex on a
short stalk.
Tetrasporangial bladelets are oval in
shape and up to 4 mm in size.
Growing on rock...
- one or two
layers of
small cells.
Gametangial plants are unknown.
Tetrasporangial patches occur in the
center of the blade. It is
found in rock pools...
