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[puh-lin-ee-uh m] /pəˈlɪn i əm/
noun, plural pollinia
[puh-lin-ee-uh] /pəˈlɪn i ə/ (Show IPA).
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 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for pollinium
Historical Examples
  • 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.

    On the Origin of Species Charles Darwin
  • 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 (pl) -ia (-ɪə)
a mass of cohering pollen grains, produced by plants such as orchids and transported as a whole during pollination
Word Origin
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
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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 © 2002. Published by Houghton Mifflin. All rights reserved.
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