-
white hoods (which
store nectar). The
central circular structure is a
gynostegium, the
fusion of 2
stigma and 5 anthers.
Antelope horns do not have individual...
-
comparable to
orchids in complexity. Five
petals reflex backwards revealing a
gynostegium surrounded by a five-membrane corona. The
corona is
composed of a five-paired...
- the
median one,
together with the petals, is
smaller and
cover the
gynostegium. The
labellum is three-lobed and convex, with
crenulated margins and...
-
their stigmatic surface to
avoid self-pollination, e.g.
presence of
gynostegium and
pollinia in Calotropis. Dichogamy:
Pollen and
stigma of the flower...
- insects) and
pollination is
achieved with the help of bees. In Calotropis,
gynostegium is
present (formed by the
fusion of
stigma and androecium). The pollen...
- the
following mechanism: The
stigmas and
androecia are
fused to form a
gynostegium. The
pollen are
enclosed in
pollinia (a
coherent m**** of
pollen grains)...
- the
ovary and
incorporating the
style and
stamens also
known as the
gynostegium, e.g. in
orchids and milkweeds. 2. In gr****es, the lower, stouter, and...
- cu****r body base convex;
gynostegium blood red. The
female flowers have a
concave cu****r body base with
sterile stamens.
Gynostegium stouter than stamens...
-
white spur is
cylindrical and
curved upward,
longer than the ovary. The
gynostegium is short, obtuse, with pale
yellow pollen. This
orchid blooms from March...
- and
gynaecium may be fused. The
resulting structure is a
gynandrium (
gynostegium, gynostemium, or column),
which is
supported by an androgynosp****. Ptyxis...
