[puh-lin-ee-uh m]

noun, plural pol·lin·i·a [puh-lin-ee-uh] /pəˈlɪn i ə/. Botany.

an agglutinated mass or body of pollen grains, characteristic of plants of the orchid and milkweed families.

Origin of pollinium

1860–65; < New Latin, equivalent to pollin- (stem of pollen) pollen + -ium -ium
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for pollinium

Historical Examples of pollinium

  • Pollinium of an Orchis (Habenaria), with its stalk attached to a sticky gland; magnified.

  • In this latter case we have a pollinium in its most highly developed and perfect condition.

  • If the pollinium was originally vertical, after a time it assumed a horizontal position.

    Darwin and Modern Science

    A.C. Seward and Others

British Dictionary definitions for pollinium


noun plural -ia (-ɪə)

a mass of cohering pollen grains, produced by plants such as orchids and transported as a whole during pollination

Word Origin for pollinium

C19: New Latin; see pollen
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

pollinium in Science



Plural pollinia

A mass or packet of pollen grains specialized for transfer to other flowers as a unit by pollinating insects. Orchids and milkweeds produce pollinia.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.