异态不亲和系统涉及两种或三种不同类型的花，它们的花粉和柱头结构存在差异，通常是花柱和雄蕊的长度不同。

Heteromorphic systems involve two or three different forms of flower with differences in pollen and stigma structure and usually differences in style and stamen length.

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异态不亲和系统涉及两种或三种不同类型的花，它们的花粉和柱头结构存在差异，通常是花柱和雄蕊的长度不同。

Heteromorphic systems involve two or three different forms of flower with differences in pollen and stigma structure and usually differences in style and stamen length.

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