heterostyly


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het·er·o·sty·lous

 (hĕt′ər-ə-stī′ləs)
adj.
Having flowers with styles of differing length, as the primrose.

het′er·o·styled′ adj.
het′er·o·sty′ly n.
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.

heterostyly

(ˈhɛtərəˌstaɪlɪ)
n
(Botany) the condition in certain plants, such as primroses, of having styles of different lengths, each type of style in flowers on different plants, which promotes cross-pollination
[C20: from Greek, from heteros different + stylos pillar]
ˌheteroˈstylous adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
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References in periodicals archive ?
(2013) determined the heterostyly in Linum aretioides.
Pedicel is 2-3 mm long and articulate; perianth is 3 mm long; 8 nectaries are yellow, alternating with stamens, being heterostyly; stigma is capitate.
In species that exhibit heterostyly, the flowers come in two forms, "pin" flowers with long styles (the portion of the pistil between the stigma and the ovary) and short stamens and "thrum" flowers with short styles and long stamens (Darwin, 1986).
These mechanisms include protogyny, chasmogamy, heterostyly, self-incompatibility, self-sterility, entomophily, anemophily, and hydrophily.
Experimental studies on the functional significance of heterostyly. Evolution 46:43-55.