Compass plant A plant with its leaf edges permanently aligned due north and south.
一类叶片的边缘始终南北排列的植物。
The best - known example is the compass plant of the prairies ( Silphium laciniatum ).
最著名的例子是大草原上的指向植物（ 罗盘草）。
The best - known example is the compass plant of the prairies ( Silphium laciniatum ).
最著名的例子是大草原上的指向植物（ 罗盘草）。
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