Like animals that eat a certain plant and that plant relies on a certain fungus to help it get nutrients from soil and on a certain insect for pollination.
比如动物吃某种植物，而这种植物依靠某种真菌从土壤中获取营养，依靠某种昆虫来授粉。
The style may be elongated in plants relying on wind, insect, or animal pollination so that the stigma has a greater chance of coming into contact with the pollinating agent.
花柱可在进化中相应的被延长以适应风媒、虫媒、或动物传粉等不同方式，可以使柱头有更大的机会与传粉者相接触。
It is a mechanism that helps prevent self-pollination and is most common among wind-pollinated and unspecialized insect-pollinated flowers, as in figwort.
是一种避免自花授粉的机制，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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