Heteranthery exists in several angiosperm families, such as Melastomataceae, Solanaceae, Lythraceae, Leguminosae and Pontederiaceae, but the aspects and extent of differentiation often vary in taxa.
异型雄蕊在野牡丹、茄
、干
、豆
、雨久
多个
中都有分布,但其分化与程度常
类群而异。