-
microphylls or megaphylls) bear
either megasporangia and thus are
called megasporophylls, or
microsporangia and are
called microsporophylls. The
overlap of...
- sporangia-bearing
leaves are
distinguished as
either microsporophylls or
megasporophylls. In seed plants,
sporangia are
typically located within strobili or...
- (12–24 in) long,
orange in
colour and
foetid in odour. The female's
megasporophylls are
about 30 cm long, fleshy,
brown and
densely hairy, with the fertile...
- cone with
closed megasporophylls Female cone (
megasporophylls) with
immature green ovules Female cone with
drooping megasporophylls and
developing ovules...
-
females in the
cycad genus Cycas,
which form a
loose structure called megasporophylls instead of cones. As with all
heterosporous plants, the gametophytes...
- This
group is
characterized by
relatively flat
strobili and
large megasporophylls which occur in the same
plane as the
lateral leaves. The
plant was...
- blue at first,
becoming dark yellow-green,
moderately glossy above.
Megasporophylls are
thickly covered in
orange indumentum and the
developing seeds have...
- ends),
microsporophylls (male, pollen-producing) up to 45 mm long.
Megasporophylls (female, ovule-producing) up to 30 cm long, each with 2-5 ovules. Seeds...
-
bearing pollen cones (strobilus) and the
females bearing groups of
megasporophylls.
Pollination can be done
naturally by
insects or artificially. Propagation...
-
phylogenetically derived from ovule-bearing
leaves or leaf
homologues (
megasporophylls),
which evolved to form a
closed structure containing the ovules. This...
