noun
a tall perennial herb having spikes of small white or purple flowers; common in eastern North America
• Syn: ↑Culver's root, ↑Culvers root, ↑Culver's physic, ↑Culvers physic, ↑whorlywort
• Hypernyms: ↑asterid dicot genus
• Member Holonyms: ↑Scrophulariaceae, ↑family Scrophulariaceae, ↑figwort family, ↑foxglove family
Useful english dictionary. 2012.