Medicine- Whole plant, root, stem bark, leaves, seed are used in the treatment of boils, aches, toothache, wounds, tineapedis, antispasmodic, scorpion sting, Antiseptic and asthma.
Bangladesh, Bhutan, China, India, Myanmar, Nepal
Thrives in the wet tropical biome.

It is tall erect herb with many branches.
Stem is erect, branched, somewhat hairy, up to 150-300 cm tall.
Leaves are narrowly obovate-lanceolate, the lower ones being 30 cm long and 5 cm wide, while the upper ones gradually become smaller.
Flowers are large, white, and borne in terminal racemes 30-50 cm long. Flowers are 3-4 cm long, two-lipped. The sepal are smooth or hairy, narrow, about 1.2 cm long.
Fruit is capsule like, 2-celled, somewhat rounded, and about 1.5 cm in diameter. The seeds are numerous very small, ellipsoid, and compressed.
Flowering: December.