The Collaborative International Dictionary
Proterandrous
Proterandrous \Pro`ter*an"drous\, a. [Gr. ? earlier (fr. ? before) + ?, ?, man, male.] (Bot.) Having the stamens come to maturity before the pistil; -- opposed to proterogynous.
Wiktionary
proterandrous
a. (context botany English) Having the stamens come to maturity before the pistil.