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 53333 10.11646/phytotaxa.597.4.1 61584a21-da81-4fa3-932b-b5ba720e5ff9 1179-3163 7958600 3.33. Epilobium wallichianum Hausskn. ( Fig. 3C ). Lectotype (designated by Raven 1962a ):— INDIA . Sikkim : 3 August 1849 , Hooker s.n. ( K000979300 !). = Epilobium duclouxii Léveillé (1908: 110) . Type :— CHINA . Yunnan : “San-Chan pres Tchen-Hiong”, 19 August 1905 , Mey 500 (not located). = Epilobium mairei Léveillé (1913: 283) . Type :— CHINA . Yunnan : lakes on the “plateaux of Ta-Hai”, 3200 m , July 1912 , E. E. Maire s.n. (not located). = Epilobium souliei Léveillé (1907: 588) . ≡ Epilobium wallichianum Hausskn. subsp. souliei (H.Lév.) Raven (1962a: 66) . Type :— CHINA . Sichuan : Kangding, Tongolo, approximately 30°03’N , 101°23’E , 1893, Soulie 350 (G). = Epilobium sykesii Raven (1962a: 366) . Type :— NEPAL . South of Gurjakhani , approximately 28°36’N , 83°13’E , 3050 m , near small streams, 19 August 1954 , Stainton , Sykes & Williams 3894 ( holotype BM000957923 !, isotypes CAS0033538 digital image, A00054046 digital image). Distribution: —C Nepal , E Nepal , Sikkim & Darjiling, Bhutan , M Yarlung Zangbo, L Yarlung Zangbo, Yarlung Zangbo-Brahmaputra, S Hengduan, N Hengduan, Tangut. Note: — Epilobium wallichianum is one of the most common species in the in eastern Pan-Himalaya. This species is similar with E. sikkimense , but with densely villous throughout. It is also similar with E. amurense , but can be distinguished by the stigma shape. The stigma of E. amurense has a sub-flat apex, whereas the stigma of E. wallichianum has a suborbicular apex.