Epilobium amurense Haussknecht (1879: 55)

3.2. Epilobium amurense Haussknecht (1879: 55) View in CoL View at ENA .

Type:— Amur River ( Heilongjiang River, border between the Far East region of the U.S. S. R. and Heilongjiang Province, China), “Um die Bai de Castries, an sonnigen Mergelabhängen”, 14 July 1854, Maximowicz s.n. ( LE, G, K000742623 !, GH00054042 digital image) ( Chen et al. 1992) .

= Epilobium laetum Wall. ex Haussknecht (1884: 218) View in CoL . ≡ Epilobium amurense Hausskn. subsp. laetum (Wall. ex Hausskn.) Raven (1962a: 367) View in CoL .

Lectotype (designated by Chen et al. 1992):— NEPAL. Towards Gosainthan, 1821–1822, N. Wallich 6329A (K001123575!, isolectotypes K000742620!, BM000957928!, CAS0033546 digital image).

= Epilobium nepalense Haussknecht (1879: 53) View in CoL .

Lectotype (designated by Raven 1962a):— NEPAL. without definite locality, 1821–1822, N. Wallich s.n. (C10016103 digital image, isolectotype C10016102 digital image).

Distribution: —N Pakistan, Jammu & Kashmir, C Nepal, Sikkim & Darjeeling, U Yarlung. Zangbo, L Yarlung Zangbo; Yarlung Zangbo-Brahmaputra, S Hengduan, N Hengduan

Note: —Only Epilobium amurense subsp. amurense occurs in the Pan-Himalaya region, while the other subspecies E. amurense Hausskn. subsp. cephalostigma ( Haussknecht 1879: 57) Chen, Hoch & Raven (1992: 127) does not occur in this area.

Chen et al. (1992) considered that the “ holotype ” of E. amurense is deposited in LE. However, we are not sure how many duplicates are there. According to Art. 9.1, we cannot determine the type status of E. amurense by now.