compass plant

noun

Definition of compass plant 

: a yellow-flowered composite plant (Silphium laciniatum) that has large pinnatifid leaves in which the leaf edges typically align in a northerly and southerly direction and that occurs especially in prairies and along roadsides of the central U.S.

First Known Use of compass plant

1848, in the meaning defined above

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The first known use of compass plant was in 1848

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