A tall perennial herb having spikes of small white or purple flowers, common in eastern North America
English: Culver's root, Culvers root, Culver's physic, Culvers physic, whorlywort, Veronicastrum virginicum
veronicastrum_virginicumEnglish
Culver's physic, Culver's root, Culvers physic, Culvers root, Veronicastrum virginicum