Sikkim : North Sikkim (Mangan) district,West Sikkim (Geyzing) district
Native : Bangladesh, Bhutan, China, East Himalaya, India, Myanmar, Nepal, Thailand, Tibet
Exotic/Native : Native
World Distribution : Central Himalaya to South Central China
Literature : Uniyal B.P., Sharma J.R., Choudhery U., Singh D.K. (2007). Flowering Plants of Uttarakhand: A Checklist. Bishen Singh Mahendra Pal Singh: 198; GRIERSON A.J.C. & LONG D.G. (1983). FLORA OF BHUTAN INCLUDING A RECORD OF PLANTS FROM SIKKIM Vol. 2: Part 2. ROYAL BOTANIC GARDEN, EDINBURGH: 966