nSeneca snakerooteastern North American plant having a terminal cluster of small white flowers and medicinal roots
Webster's Revised Unabridged Dictionary
Seneca snakeroot(Bot) the rootstock of an American species of milkworth (Polygala Senega) having an aromatic but bitter taste. It is often used medicinally as an expectorant and diuretic, and, in large doses, as an emetic and cathartic.
Seneca snakeroot White Rocky soil; N. E., West, South.
"Harper's Young People, June 8, 1880" by Various
The flowering period of Seneca Snakeroot is from May to June.
"Ginseng and Other Medicinal Plants" by A. R. (Arthur Robert) Harding