wood sorrel(redirected from Sour Trefoil)
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(Plants) a Eurasian plant, Oxalis acetosella, having trifoliate leaves, an underground creeping stem, and white purple-veined flowers: family Oxalidaceae
any woodland plant of the genus Oxalis, of the family Oxalidaceae, having three heart-shaped leaflets and variously colored flowers.
[1515–25; translation of French sorrel de bois]
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|Noun||1.||wood sorrel - any plant or flower of the genus Oxalis|
herb, herbaceous plant - a plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests
genus Oxalis - type genus of the Oxalidaceae; large genus of plants having leaves that resemble clover and variously colored flowers usually clustered in umbels
common wood sorrel, cuckoo bread, Oxalis acetosella, shamrock - Eurasian plant with heart-shaped trifoliate leaves and white purple-veined flowers
Bermuda buttercup, English-weed, Oxalis cernua, Oxalis pes-caprae - South African bulbous wood sorrel with showy yellow flowers
creeping oxalis, creeping wood sorrel, Oxalis corniculata - creeping much-branched mat-forming weed; cosmopolitan
Oxalis violacea, violet wood sorrel - perennial herb of eastern North America with palmately compound leaves and usually rose-purple flowers
n → Waldsauerklee m