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Related to agamospermy: apomictic


 (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 ?
Flowers within a plant were assigned to the following treatments: (1) agamospermy (flowers had their stigma removed at the beginning of anthesis); (2) autonomous self-pollination (un-manipulated bagged flowers); (3) hand self-pollination (flowers hand-pollinated with their own pollen); (4) hand cross-pollination (previously emasculated flowers hand-pollinated with pollen from another plant), and (5) natural pollination (un-manipulated and randomly selected flowers exposed to pollinators in the field).
Ten flowers in pre-anthesis of female plants were emasculated marked and bagged to verify the occurrence of agamospermy in this species.
With the use of this methodology we try to assess whether the plant sets fruit or not, if produce seeds without fertilization (agamospermy, or also called apomixis) or only produce fruits by cross pollination.
Recent studies showed that the reproductive system of this species is self-compatible; it does not produce fruits via either autogamy or agamospermy, but requires, obligatorily, pollen vectors due to buzz pollination syndrome (Andrade, 2004).
Although these offspring are often outcrossed seeds, they may also be a result of agamospermy (Crawley 1997) or, in the case of aquatic plants, widely dispersing clonal fragments (Room 1990, Philbrick and Les 1996).
Embryological investigations into the mechanism of agamospermy in British P.