Ornamental - Commonly used in gardens and as a houseplant.. Medicinal - Used in traditional medicine to treat various ailments.
Bangladesh, Bhutan, China, India, Nepal, Pakistan
Thrives in subtropical biome (a region with warm, humid summers and mild winters, located between the tropics and temperate zones), at an elevation of 1800-2600 m.

It is nearly erect perennial herb up to 90 cm tall with young shoots hairy and woody rootstock.
Stem is with leaves nearly stalkless or sometimes with a base narrowing into a, up to 2.5 cm long, winged stalk.
Leaves are nearly stalkless or sometimes the base narrowing into a, up to 2.5 cm long, winged stalk. Leaf blade is elliptic or ovate-elliptic, 12-25 cm long and 4-6.5 cm wide, hairy to hairless on both sides, base narrowed, margin toothed, tip long-pointed.
Flowers are dark blue to purple, about 3.5 cm long, in heads or condensed spikes.
Fruit is capsule, oblong, about 1.5 cm long, glandular-velvet-hairy, 4-seeded. Seeds are ovate with silky hairy.
Flowering: July-October.