- In botany,
apomixis is a****ual
development of seed or
embryo without fertilization. However,
other definitions include replacement of the seed by a plantlet...
- is a rock plant,
needing a
calcareous substrate. P.
atropurpurea is an
apogamous autotriploid, with 3n=87 (actual base number, n=29), and is one of the...
- tetraploid. The
diploid reproduces ****ually,
while the
tetraploid is
normally apogamous. It is now
known that the
tetraploid form of the
species is one of the...
- cheilanthoids, they are
ferns of dry habitats,
reproducing both ****ually and
apogamously. Many
species have
leaves divided into a
large number of small, bead-like...
- and sterile,
there is some
evidence that it can
occasionally reproduce apogamously.
Asplenium × trudellii is a
small fern, with
evergreen fronds growing...
-
Archegonia do not form;
antheridia develop and
sometimes release sperm. The
apogamous sporophyte forms in the
apical notch of the gametophyte. Argyrochosma...
-
plant are
located on
underside of the leaves. This
species is
normally apogamous, with a
chromosome count of n=90 (triploid; "3n"=90).[citation needed]...
- the
cheilanthoid ferns into that genus.
Myriopteris lindheimeri is an
apogamous (a****ually reproducing)
triploid of
unknown parentage.
Based on plastid...
- triploid, it is
incapable of ****ual
reproduction and
produces spores apogamously.
First described by
Martens and
Galeotti in 1842
under the previously...
- The
triploid sporophyte has a
chromosome number of 90.
Reproduction is
apogamous:
triploid spores are
formed by mitosis,
rather than meiosis, and grow...
