redroot

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noun

any of various plants with red roots, as

a small shrub (genus Ceanothus) of the buckthorn family
a marsh plant (Lachnanthes tinctoria) of the bloodwort family, with sword-shaped leaves and flat clusters of small, woolly, yellow flowers, found along the Atlantic coast of the U.S.
pigweed (sense )
bloodroot

See redroot in American Heritage Dictionary 4

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