A coherent mass of pollen grains typically transferred as a unit during pollination, found in the flowers of certain plants such as orchids and milkweeds.
(bot.) A mass of pollen grains stuck together and transferred as a whole in pollination, often by an insect.
A mass or packet of pollen grains specialized for transfer to other flowers as a unit by pollinating insects. Orchids and milkweeds produce pollinia.
Origin of pollinium
- New Latin from pollen pollin- pollen pollinate
From American Heritage Dictionary of the English Language, 5th Edition