Ayapana triplinervis is an ascending, slender perennial. Its leaves are purple, subsessile, lanceolate, 3-nerved, acuminate, subentire, and glabrous. Inflorescence is a lax, few-headed corymb, heads pedicellate, about 20-flowered. Flowers are slaty blue.
Ayapana (Eupatorium Triplinervis)
Ayapana triplinervis (aya-pana, water hemp) is a tropical American shrub in the family Asteraceae. This plant has long slender leaves which are often used in traditional medicine. The flowers are pale pink and the thin, hairless stem is reddish in color