Heteranthery exists in several angiosperm families, such as Melastomataceae, Solanaceae, Lytbraceae, Leguminosae and Pon异型雄蕊在野牡丹科、茄科、千屈菜科、豆科、雨久花科等多个科中都有分布，但其分化与程度常随类群而异。
Nitrogen fixation trees of Leguminosae and non-Leguminosae are important biological nitrogen fixation resources.摘要豆科及非豆科固氮树种是重要的生物固N资源。