- an agglutinated mass or body of pollen grains, characteristic of plants of the orchid and milkweed families.
Origin of pollinium
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for pollinium
Pollinium of an Orchis (Habenaria), with its stalk attached to a sticky gland; magnified.The Elements of Botany
In this latter case we have a pollinium in its most highly developed and perfect condition.On the Origin of Species
If the pollinium was originally vertical, after a time it assumed a horizontal position.Darwin and Modern Science
A.C. Seward and Others
- a mass of cohering pollen grains, produced by plants such as orchids and transported as a whole during pollination
C19: New Latin; see pollen
- A mass or packet of pollen grains specialized for transfer to other flowers as a unit by pollinating insects. Orchids and milkweeds produce pollinia.
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