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n. pl. pol·lin·i·a (-ē-ə)
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.

[New Latin, from pollen, pollin-, pollen; see pollinate.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


n, pl -ia (-ɪə)
(Botany) a mass of cohering pollen grains, produced by plants such as orchids and transported as a whole during pollination
[C19: New Latin; see pollen]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(pəˈlɪn i əm)

n., pl. -lin•i•a (-ˈlɪn i ə)
an agglutinated mass of pollen grains, characteristic of plants of the orchid and milkweed families.
[1860–65; < New Latin pollin-, s. of pollen pollen]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.pollinium - a coherent mass of pollen grains (as in orchids)
pollen - the fine spores that contain male gametes and that are borne by an anther in a flowering plant
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
Fertilizing ability of cryopreserved pollinia of Luisia macrantha, an endemic orchid of western Ghats.
They cannot obtain pollen from milkweeds, because milkweed encapsulates its pollen in pollinia that pollinators can transmit, but cannot exploit (Woodson 1954; Morse 1985).
Suetsugu K, Tanaka K (2014) Consumption of Habenana sagittifera pollinia by juveniles of the katydid Ducetia japonica.
Pollinarium 5-5.5 mm long, ca.1.8 mm wide, formed by 2 subclavate, longitudinally cleft, cream-yellow pollinia; viscidium ventral, apical, sheathing the apex of the rostellum, oblong-lanceolate, obtuse, grey, keeled, ca.
Pollinia praemorsa Nees ex Steud = Polytrias amaura (Buse) Kuntze
Effects of pollinia removal and insertion on flower longevity in Chloraea alpina (Orchidaceae).
Instead, the pollen grains are released as aggregates called "pollinia." A slender stalk connects a pollium to a sticky base that adheres the entire pollinium, containing thousands of pollen grains, to a pollinator.
Pollen often in a sac called pollinia. Genera and species are often cross-compatible.