Multiple choice In ______, the anthers of the flower mature before the stigma. protogyny protandry herkogamy heterostyly Reveal answer Fill a bubble to check yourself B Correct answer Explanation Protandry is a form of dichogamy where the anthers (male parts) mature and release pollen before the stigma (female part) is receptive. This temporal separation prevents self-pollination. Protogyny is the reverse condition.