Allium wallichii is a plant species native to India, Nepal, Sikkim, Bhutan, Myanmar, and parts of China (Guangxi, Guizhou, Hunan, Sichuan, Tibet, Xizang, Yunnan). It grows at elevations of 2300âÂÂ4800 m.
Allium wallichii has elongate roots and clusters of narrow bulbs. Scapes are up to 110 cm tall, triangular in cross-section. Leaves are flat, up to 20 mm across, usually shorter than the scape. Flowers are white, pink, red, dark purple (sometimes almost black).
Two varieties of the species are generally accepted:
Allium wallichii var. wallichii --- Leaves not narrowed into a petiole at the base
Allium wallichii var. platyphyllum <small>(Diels) J.M.Xu</small> --- Leaves are narrowed into a petiole at the base --- found only in Yunnan