- Culver's root, Culvers root, Culver's physic, Culvers physic, whorlywort, Veronicastrum virginicum - a tall perennial herb having spikes of small white or purple flowers; common in eastern North America
--1 is a kind of asterid dicot genus
--1 is a member ofScrophulariaceae, family Scrophulariaceae, figwort family, foxglove family