It helps to promote cross-pollination and is often combined with self-incompatibility.
It helps to promote cross-pollination and is often combined with self-incompatibility.
这种现象在许多特化的虫媒花中较常见，尤其是通过蜜蜂传粉的花。
It helps to promote cross-pollination and is often combined with self-incompatibility.
这种现象在许多特化的虫媒花中较常见，尤其是通过蜜蜂传粉的花。