Protogyny

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protogyny

[prō′täj·ə·nē]
(physiology)
A condition in hermaphroditic or dioecious organisms in which the female reproductive structures mature before the male structures.

Protogyny

 

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

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References in periodicals archive ?
The blackeye goby (Rhinogobiops nicholsii) is a protogynous fish that occurs from British Columbia, Canada to central Baja California, Mexico where it is closely associated with rocky reef habitat (Love 2011).
Honeybees cannot be potential visitors because they are completely unable to enter the small pollination chamber of the protogynous Annonaceae flowers during receptivity of the stigmas (for the very rare bee pollination mode in Annonaceae by euglossine bees in the genus Unonopsis see below).
The sex ratio is more biased in protogynous (female first) than in protandrous (male first) species (Allsop & West 2004).
Alonzo SH, Mangel M (2005) Sex-change rules, stock dynamics, and the performance of spawning-per-recruit measures in protogynous stocks.
Stigma receptivity and seed set in protogynous buffelgrass.
The flowers are protogynous, with an overlap in sexual phase.
A protogynous hermaphrodite, the thumbprint emperor (Lethrinus harak), ranges throughout the Indo-Pacific region, including the Red Sea, where it is found in various habitats, including mangroves, lagoon seagrass habitats (Carpenter, 2001; Shibuno et al.
The dusky grouper (Epinephelus marginatus) (Lowe, 1834) is a Serranidae protogynous hermaphrodite species with great ecological importance.
The reproductive biology of the protogynous hermaphrodite Pimelopton pulchrum (pisces: labridae).