Synonyms for Tetterwort (same or very similar meaning)
WordNet sense 1 (perennial woodland native of North America having a red root and red sap and bearing a solitary lobed leaf and white flower in early spring and having acrid emetic properties; rootstock used as a stimulant and expectorant):
puccoon, bloodroot, redroot, Sanguinaria canadensis
From the ODE community, based on WordNet
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