紫色狭叶松果菊(Echinacea angustifolia)植物 (IMAGE)

Proceedings of the National Academy of Sciences

紫色狭叶松果菊(Echinacea angustifolia)植物

Caption

在一个夏天里，紫色狭叶松果菊(Echinacea angustifolia)的开花时间与火发生之后的时间同步。

Credit

Image courtesy of Gretel Kiefer.

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