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、干屈菜、豆、等多个中都有分布,但其分化与程度常随类群而异。