- 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...
- substrates, at
elevations from 200 to 2500 m.
Myriopteris lindheimeri is an
apogamous (a****ually reproducing)
triploid of
unknown parentage.
Based on plastid...
-
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]...
- and sterile,
there is some
evidence that it can
occasionally reproduce apogamously.
Asplenium × trudellii is a
small fern, with
evergreen fronds growing...
- "hybridization
between a ****ual
tetraploid providing a
diploid egg and an
apogamous diploid providing a
diploid sperm." This meaning, the fern
itself is considered...
- and a
heavy coating of
white powder on the undersurface. It
reproduces apogamously; two
subspecies are recognized,
which may have
originated independently...
- The
triploid sporophyte has a
chromosome number of 90.
Reproduction is
apogamous:
triploid spores are
formed by mitosis,
rather than meiosis, and grow...
-
limestone or
other calcium-rich
rocks and soils.
Myriopteris windhamii is an
apogamous (a****ual)
triploid of
unknown parentage.
NatureServe (November 1, 2024)...