[wood sorrel] n (1525): any of a genus (Oxalis of the family Oxalidaceae, the wood-sorrel family) of herbs with acid sap, compound leaves, and regular flowers; esp: either of two stemless herbs (O. montana of No. America and O. acetosella of Eurasia) with trifoliolate leaves
WOOD SORREL
Meaning of WOOD SORREL in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012