It is a mechanism that helps prevent self-pollination and is most common among wind-pollinated and unspecialized insect-pollinated flowers, as in figwort.
是
免自花授粉的机制，在风媒花和非专性虫媒花中最为普遍，比方说玄参。
的
;It is a mechanism that helps prevent self-pollination and is most common among wind-pollinated and unspecialized insect-pollinated flowers, as in figwort.
是免自花授粉的机制，在风媒花和非专性虫媒花中最为普遍，比方说玄参。
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