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bitterroot
(-ro̵̅o̅t′)
noun
a W North American plant (Lewisia rediviva) of the purslane family, having fleshy, edible roots and pink or white flowers
See bitterroot in American Heritage Dictionary 4
noun
A perennial herb (Lewisia rediviva) native to western North America and having showy pink or whitish flowers and an edible fleshy root.
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