Cephalanthera damasonium (Mill.) Druce, Ann. Scott. Nat. Hist. 1906: 225, 1906

Ormerod, Paul, Kurzweil, Hubert & Watthana, Santi, 2021, Annotated List of Orchidaceae for Myanmar, Phytotaxa 481 (1), pp. 1-262 : 59

Cephalanthera damasonium (Mill.) Druce, Ann. Scott. Nat. Hist. 1906: 225, 1906

Basionym: Serapias damasonium Mill., Gard. Dict. , ed. 8: Serapias , no. 2, 1768.

Specimens examined:— KACHIN. Northeastern part: 2440−2745 m, 15 May 1925, Forrest 26554 ( E, K) . CHIN. Falam District: 1980 m, Oct 1910, Venning ?59 ( K) , ident. uncertain; Mindat District: 6 Jun 1924, Cooper 6131 ( E, SING) ; same loc., 1 Jul 1924, Cooper 6122 ( E, SING) ; same loc., 1830 m, 20 May 1956, Kingdon-Ward 22235 ( BM) ; same loc., 2300−2450 m, 4 Jun 2002, Tanaka et al. 023279 ( MBK, TI) ; same loc., 1700−2030 m, 21 May 2004, Tanaka et al. 031019 ( MBK) ; same loc., 16 May 2007, Homan s.n. ( TNS [s]) ; same loc., 2100 m, 24 May 2007, Kuroiwa et al. 051215 ( MBK) ; same loc., 2040 m, 19 May 2012, Fujikawa et al. 089050 ( MBK) ; same loc., 2200 m, 24 May 2012, Fujikawa et al. 089212 ( MBK) ; same loc., 1670−2445 m, 2 Sep 2013, Fujikawa et al. 094936 ( MBK) . BORDER AREA CHIN – MAGWAY (Mindat – Gangaw districts). 15 May 2007, Tanaka et al. 051113 ( MBK) . SHAN. Taunggyi District: 22 Apr 1931, Dickason 5495 ( AMES) ; same loc., 1525 m, May 1938, Dickason 9383 ( AMES) .

Distribution:— Europe to Russia, northern India, the eastern Himalayas, Upper Myanmar and southwestern China.

Note:— A collection from Falam District in the Chin Hills (Venning?59; K) is atypical in its lip shape and needs more study.