Culver's root Links Share URL Lookup “Culver's root” at: Wikipedia Wiktionary Wordnik Dictionary.com Google noun a tall perennial herb having spikes of small white or purple flowers; common in eastern North America Synonyms Culver's root, Culvers root, Culver's physic, Culvers physic, whorlywort, Veronicastrum virginicum Less specific asterid dicot genus Member of Scrophulariaceae, family Scrophulariaceae, figwort family, foxglove family