பொருள் : Gentian of eastern North America having clusters of bristly blue flowers.
ஒத்த சொற்கள் : ague weed, five-flowered gentian, gentiana quinquefolia, gentianella quinquefolia, stiff gentian
பொருள் : Perennial herb of southeastern United States having white-rayed flower heads. Formerly used as in folk medicine.
ஒத்த சொற்கள் : boneset, eupatorium perfoliatum, thoroughwort