Encyclopedia

Protandry

Also found in: Dictionary, Medical, Wikipedia.
(redirected from protandrous)

protandry

[prō′tan·drē]
(physiology)
That condition in which an animal is first a male and then becomes a female.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Protandry

 

a state in which the pollen ripens earlier than the stigmata of the pistils in the flowers of a plant. Protandry is an adaptation to cross-pollination (seeDICHOGAMY and ).

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
Mentioned in
References in periodicals archive
Here, an opposing direction of selection acting on males may come to act: the reproductive benefit of protandrous males, which selects for small body size (Gotthard 2004; Stillwell et al.
Although the majority of threadfin species are apparently protandrous hermaphrodites, a few are gonochoristic (Dentzau and Chittenden Jr, 1990).
Sex differential nectar secretion in protandrous Alstroemeria aurea (Alstroemeriaceae): is production altered by pollen removal and receipt?
Protandrous arrival timing to breeding areas: a review.
Flowers are produced over a terminal portion of the stalks, have pale blue tubular corollas (tube length 6-8 mm), and are hermaphroditic and protandrous. New flowers open continuously throughout the day, and each flower lasts for 1.5-2.5 d.
Relative fitness of selfed and outcrossed progeny in a self-compatible, protandrous species, Sabatia angularis L (Gentianaceae): a comparison in three environments.
Chasmogamous flowers in this genus are strongly protandrous, making these plants amenable to controlled pollinations and quantitative genetic mating designs (e.g., Mitchell-Olds 1986, Schoen et al.
Crassostrea virginica is a protandrous hermaphrodite.
However, adult females are sedentary in this protandrous hermaphrodite (Chaparro et al., 2001).
Copyright © 2003-2025 Farlex, Inc Disclaimer
All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional.