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.
异型雄蕊在野牡丹科、茄科、干屈菜科、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。
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A water hyacinth fiber pulp used as fibrous raw material for paper making is provided, which is made from fibers of water hyacinth plant of the Pontederiaceae family by paper pulp process technique.