- 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...
- 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...
-
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...
-
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...
- of
Orchidaceae and Asclepiadoideae, the
pollen remains in m****es
called pollinia,
which are
adapted to
attach to
particular pollinating agents such as birds...
-
cavity is
often closed through swelling of the column. As a result, the
pollinia are
completely enclosed. The
pollen germinates after enclosure and tubes...
-
Polytrias amaura (Buse) ****ze
Aethonopogon praemorsus Hack. ex ****ze
Pollinia praemorsa Nees
Polytrias racemosa (Nees) Hack.
Ischaemum indi**** (Houtt...
- One type of
automatic self-pollination
occurs in the
orchid Ophrys apifera. One of the two
pollinia bends itself towards the stigma....
-
Mimosa pudica, the
insect traps of
Venus flytrap and bladderworts, and the
pollinia of orchids. The
hypothesis that
plant growth and
development is coordinated...
- such as in orchids. In this case a
small utensil is used to
which the
pollinia will stick.
Common reasons for
choosing this
method include the lack of...
