- A
pollinium (pl.:
pollinia) is a
coherent m**** of
pollen grains in a
plant that are the
product of only one anther, but are transferred,
during pollination...
-
forced to
climb up past the staminode,
behind which they
collect or
deposit pollinia, thus
fertilizing the flower.
There are
approximately 165
species in the...
- of
Orchidaceae and Asclepiadoideae, the
pollen remains in m****es
called pollinia,
which are
adapted to
attach to
particular pollinating agents such as birds...
- one or two
bundles called pollinia that are
attached to a
sticky disc near the top of the column. Just
below the
pollinia is a second,
larger sticky...
-
structure with the hood
acting as a
sheath for the
inner horn.
Glands holding pollinia are
found between the hoods. The size,
shape and
color of the
horns and...
-
cavity is
often closed through swelling of the column. As a result, the
pollinia are
completely enclosed. The
pollen germinates after enclosure and tubes...
-
caudicle is the stalk-like
support of the
pollinia. It is a non-viscid band or
strap connecting the
pollinia with the
viscidium (the
viscid part of the...
- One type of
automatic self-pollination
occurs in the
orchid Ophrys apifera. One of the two
pollinia bends itself towards the stigma....
-
Polytrias amaura (Buse) ****ze
Aethonopogon praemorsus Hack. ex ****ze
Pollinia praemorsa Nees
Polytrias racemosa (Nees) Hack.
Ischaemum indi**** (Houtt...
-
differs in
lacking hairlike attachments on a
mobile lip and
having four
pollinia instead of two. As of June 2014,
three species are recognized: Restrepiella...
