Oxalis

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Oxalis

a plant genus of the family Oxalidaceae; poisonous to herbivora because of high soluble oxalate content causing nephrosis and urolithiasis. Includes O. acetosella (wood sorrel), O. corniculata (creeping oxalis), O. latifolia, O. pes-caprae (O. cernua, soursob, Bermuda buttercup).