female sex organs maturing before the male ones, e.g. a flower shedding pollen after the stigma has ceased to be receptive; cf. protandrous.
• (a.) Same as Proterogynous.
describing a plant in which stigma receptivity precedes and does not overlap the period of pollen release (compare protandrous)
Having the female sex organs maturing before the male, of a flower, shedding the pollen after the stigma has ceased to be receptive. ... Compare: protandrous. ... (09 Oct 1997) ... 
describing a plant in which stigma receptivity precedes and does not overlap the period of pollen release (compare protandrous)
When the stigma is receptive before the pollen is shed.
Pro·tog'y·nous adjective [ Proto + Greek 
protogynous, protogyny 1. In botany, having the pistil or female organ mature before the stamens or male organs. 2. Frequently used as synonymous with progynous, but it is also used to describe the condition of being a hermaphrodite that is first female and later becomes a male.