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 (ə-găm′ə-spûr′mē, ăg′ə-mō-)
n. Botany
The asexual production of seeds without the occurrence of fertilization.

[From Greek agamos, unmarried; see agamic + Greek sperma, seed; see sperm1.]

a·gam′o·sperm′ous (-spûr′məs) adj.
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.


(Botany) botany formation of seeds in the absence of fertilization; a form of apomixis
[C19: agamic + Greek sperma seed]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
The mating system has been studied in at least 52 species within the Cactaceae and of these outcrossers are highly represented (39 species) followed by mixed mating systems (19 species) and one agamospermous species.
AFLP variation in agamospermous and dioecious bluegrasses of Western North America.
The three species are agamospermous and exhibit a high level of male sterility, as measured by their low pollen viability.
Some 2000 Ruderalia microspecies have been described, which are all apomictic (also called agamospermous) triploids (2n = 24).