A checklist of Onagraceae in the Pan-Himalaya region Author Luo, Yike Author Xie, Lei text Phytotaxa 2023 2023-05-17 597 4 245 268 http://dx.doi.org/10.11646/phytotaxa.597.4.1 journal article 10.11646/phytotaxa.597.4.1 1179-3163 7958600 3.7. Epilobium clarkeanum Haussknecht (1884: 220) . Lectotype (designated by Raven 1962a ):— INDIA . Sikkim : Lachen , 3650 m , 16 July 1849 , Hooker s.n. ( K000913973 !, isolectotype JE ). Distribution:Sikkim & Darjeeling, S Hengduan, U Irrawaddy . Note: Epilobium clarkeanum was previously recorded only by two specimens in Sikkim and Myanmar ( Raven 1962a ). Then it was found in Yunnan province , China ( Chen et al . 1992 ). Raven (1962a) noted that E. clarkeanum maybe related to the Alpinae group of Haussknecht (1884) .