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Related to protandrous: protogynous


1. Of or relating to an organism, especially a plant, in which the male reproductive organs mature before the female reproductive organs.
2. Of or relating to the earlier arrival of males than of females at a breeding site: protandrous migration.

pro·tan′dry (-drē) n.


(prəʊˈtændrəs) or


1. (Botany) (of hermaphrodite or monoecious plants) maturing the anthers before the stigma
2. (Zoology) (of hermaphrodite animals) producing male gametes before female gametes. Compare protogynous
proˈtandry n
References in periodicals archive ?
However, adult females are sedentary in this protandrous hermaphrodite (Chaparro et al.
Individual flowers are distinctly dichogamous and protandrous, with a pause of [+ or -] 12 hrs between the male and female phases.
With the largest whelk within a population dominated by females, the question of sequential protandrous hermaphroditism within this species arises.
This can be attributed to the protandrous condition that some species of this genus undergo (Chavez-Villalba et al.
High mobility of the protandrous anemonefish Amphiprion frenatus: nonrandom pair formation in limited shelter space.
Typical of the tribe Cichorieae, all florets possessed ligulate corollas, were perfect, and protandrous.
A protandrous male optimizes his chances to encounter females by mating early in the flight period (Zonneveld 1992).
This pattern has been reported in other places for other species including snappers, Pristipomoides filamentosus [40]; Aprion virescens and Etelis coruscans [39]; black breams, Acanthopagrus butcheri [41] and sharks, Acanthopagrus latus [42] who added a note that once a protandrous hermaphrodite fish has become a functional female, it remains a female throughout the rest of its life.
5-5 cm long, oblique relative to calyx, protandrous, infundibuliform; base gibbous, 6-7 mm in diameter, gibbosity 4-5.
Passion fruit flowers are protandrous as anther dehisces before stigma become receptive, and stigma remains receptive from the time of flower opening to closing (Cox, 1957).