perennial ragweed

perennial ragweed
noun
coarse perennial ragweed with creeping roots of dry barren lands of southwestern United States and Mexico
Hypernyms: ↑ragweed, ↑ambrosia, ↑bitterweed

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noun

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perennial ragweed,
a kind of ragweed that grows from long, spreading roots and has fruit with blunt tubercles instead of spines.

Useful english dictionary. 2012.

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