A large herb up to 300 cm tall, with superficial rhizome. Leaves are lanceolate, up to 60 cm x 12 cm. Inflorescence cylindrical to conical, up to 11 cm long, bracts about 4 cm long, bracteoles tubular at the base. Flowers with corolla tube about as long as calyx, labellum elliptical, rounded at apex, white with a yellow patch in the centre and yellow at margins, anther with a 3-lobed appendage. Fruit is about 1.5 cm in diameter, slightly ribbed.
Used to treat indigestion, liver and uterus diseases, rheumatism, vomiting, abdominal distention and poor appetite, diarrhoea and asthenic after dysentery and also as an antitoxic of alcohol (fruits).