1. A tall perennial herb having spikes of small white or purple flowers; common in eastern North America
   "Veronicastrum virginicum attracted many pollinators to the garden";
   - Culver's root, Culver's physic, whorlywort

Type of: asterid dicot genus

Part of: family Scrophulariaceae, figwort family, foxglove family, Scrophulariaceae

Encyclopedia: Veronicastrum virginicum