noun
definition
A coherent mass of pollen, as in the milkweed and most orchids, which is dispersed as a single unit during pollination.
Examples of pollinia in a Sentence
The Monandreae have been subdivided into twenty-eight tribes, the characters of which are based on the structure of the anther and pollinia, the nature of the inflorescence, whether terminal or lateral, the vernation of the leaf and the presence or absence of a joint between blade and sheath, and the nature of the stem.
The number of pollinia varies; thus, in Orchis there are usually two, in Cattleya four, and in Laelia eight.
The two pollinia in Orchis Morio contain each about 200 secondary smaller masses.