witch grass

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a common, weedy North American grass (Panicum capillare) having hairy foliage and a large, dome-shaped panicle of small spikelets

Origin: altered < quitch grass

See witch grass in American Heritage Dictionary 4

noun

An annual North American grass (Panicum capillare) having branching, purplish panicles.
See couch grass.

Origin:

Origin: Probably alteration of quitch grass

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