The Collaborative International Dictionary
Proterogynous
Proterogynous \Pro`ter*og"y*nous\, a. [Gr. ? earlier (fr. ? before) + ? woman, female.] (Bot.) Having the pistil come to maturity before the stamens; protogynous; -- opposed to proterandrous.
Wiktionary
proterogynous
a. (context botany English) Having the pistil come to maturity before the stamens; protogynous.