- ovule. The
integument may
consist of one
layer (unitegmic) or two
layers (
bitegmic), each of
which consisting of two or more
layers of cells. The integument...
- out.
Depending on its development, the seed coat is
either bitegmic or unitegmic.
Bitegmic seeds form a
testa from the
outer integument and a
tegmen from...
-
integument (unitegmic)
while angiosperms typically have two
integuments (
bitegmic). The
evolutionary origin of the
inner integument (which is
integral to...
- from the base or only
slightly connected.
Members of
Polypetalae contain bitegmic ovules (i.e.,
ovules having two integuments).
Plant identification Calyciflorae...
-
petals united,
stamens opposite the petals, free
central placentation,
bitegmic (two layered)
ovules and
nuclear endosperm formation.[clarification needed]...
- plants. See also androgynous, monoicous, and
plant reproductive morphology.
bitegmic (of an ovule)
Covered by two integuments.
Contrast unitegmic. biternate...
- in the Steptopoideae. The
hilum (scar) is
generally incon****uous. The
bitegmic (separate
testa and tegmen) seed coat
itself may be thin,
suberose (like...
- dry, two
ovules per
carpel but one
nearly always aborts, orthotropous,
bitegmic, cr****inucellated, pendulous,
apical to
marginal placentation,
three or...
- anatropous, hemianatropous,
amphitropous or orthotropous,
mostly hemitropous,
bitegmic, cr****inucellate,
chalaza with a ring of
vascular bundles, the funiculus...
- writing:
Palaeoaldrovanda is not a seed with a
basic anatropical and
bitegmic organisation;
there is no
evidence of a raphe, and the wall
structure is...
