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.
异型雄蕊在科、茄科、干屈菜科、豆科、雨久花科等多个科中
有
布,但其
化与程度常
类群而异。