Herminium lanceum (Thunb. ex Sw.) Vuijk

Ormerod, Paul, Kurzweil, Hubert & Watthana, Santi, 2021, Annotated List of Orchidaceae for Myanmar, Phytotaxa 481 (1), pp. 1-262 : 152

Herminium lanceum (Thunb. ex Sw.) Vuijk , Blumea 11: 228, 1961

Basionym: Ophrys lancea Thunb. ex Sw., Kongl. Vetensk. Acad. Nya Handl. 21: 223, 1800. Homotypic synonym: Spiranthes lancea (Thunb. ex Sw.) Bakh. f. & Steenis, Blumea 6: 361, 1950. Heterotypic synonyms: Aceras angustifolium Lindl. , Edwards’s Bot. Reg. 18: t. 1525, 1832. Platanthera angustifolia (Lindl.) Rchb. f., Otia

Bot. Hamburg.: 39, 1878. Herminium angustifolium (Lindl.) Ridl. in H.O.Forbes, Nat . Wand. East. Archip.: 519, 1885. Monorchis angustifolia (Lindl.) O.Schwarz, Mitt. Thüring. Bot. Ges. 1: 95, 1949.

Specimens examined:— KACHIN. Putao District : 2135 m, 5 Aug 1926, Kingdon-Ward 7250 ( K) ; northeastern part: 2745 m, 15 Jul 1925, Forrest 27084 ( E, K, P) ; Myitkyina District : 2440 m, 11 Jun 1914, Kingdon-Ward 1662 ( E) ; same loc., 2195 m, 4 Jun 1919, Farrer 995 ( E) . CHIN. Falam District : 2040 m, 18 Aug 1910, Venning 19 ( K) ; same loc., 1980 m, 11 Sep 1910, Venning 26 p. p. ( K) ; same loc., 1860 m, 17 Sep 1910, Venning 28 p. p. ( K) ; same loc., 1980 m, 30 Sep 1910, Venning 33 ( K) ; same loc., 2285 m, 10 Oct 1910, Venning 45 ( K) ; same loc., 1645 m, comm. 9 Oct 1923, Daun 97 ( K) ; Mindat District : 2135 m, 2 Sep 1956, Kingdon-Ward 22612 & 22613 ( BM) ; same loc., 1830 m, Sep 1956, Maung Gale-2 & Chit Ko Ko 5763 ( RAF) ; same loc., 1370 m, 8 Oct 1956, Kingdon-Ward 22724 ( BM) ; same loc., 2530 m, 27 Oct 1956, Kingdon-Ward 22784 ( BM) , ident. uncertain [largely fruiting]; same loc., 2 Aug 2007, Ling Shein Man 055366 ( MBK) ; same loc., 9 Aug 2008, Yasuda 060085 ( MBK) ; same loc., 15 Aug 2008, Yasuda 060087 ( MBK) ; same loc., 2300 m, 14 Sep 2011, Funakoshi et al. 085329 ( MBK) ; same loc., 2400 m, 29 Jul 2013, Mu Mu Aung et al. 092759 ( MBK) ; same loc., 2075 m, 20 Aug 2013, Fujikawa et al. 094019 ( MBK) ; same loc., 2680 m, 22 Aug 2013, Fujikawa et al. 094230 & 094254 ( MBK) ; same loc., 2485 m, 31 Aug 2013, Fujikawa et al. 094796 ( MBK) ; same loc., 2550 m, 1 Sep 2013, Fujikawa et al. 094876 ( MBK) ; same loc., 1670−2445 m, 2 Sep 2013, Fujikawa et al. 094935 ( MBK) . MANDALAY. Myingyan District : 1 Nov 2000, Tanaka et al. 021048 ( MBK) . SHAN. Taunggyi District : 27 Nov 2008, Tanaka et al. 080446 ( MBK) , ident. uncertain; same loc., 1600 m, 19 Sep 2015, Baba et al. m-573 ( MBK) , ident. uncertain. TENASSERIM. Parish 250 (not located), fide Parish (1883: 200) [as Aceras angustifolia ]. WITHOUT LOCALITY. Toppin 3415 ( E) , det. J. Renz .

Distribution:— Pakistan, the Himalayas, Southeast Asia and as far east as New Guinea and north to China, Japan and Korea.

Notes:— Two collections from Shan State, Tanaka et al. 080446 and Baba et al. m-573, are atypical in their lip shape, with three short and equally long lobes. In their flower morphology, they are reminiscent of a similar collection from central Nepal that in a phylogenetic analysis of the genus groups with Herminium lanceum (B.B. Raskoti, pers. comm.).