Dickasonia, L. O. Williams

Ormerod, Paul, Kurzweil, Hubert & Watthana, Santi, 2021, Annotated List of Orchidaceae for Myanmar, Phytotaxa 481 (1), pp. 1-262 : 124

DICKASONIA L.O.Williams , Bot. Mus . Leafl. 9: 37, 1941

Dickasonia vernicosa L.O.Williams, Bot. Mus . Leafl. 9: 38, 1941. Type:— MYANMAR. Chin Hills : minor locality not traced, 1980 m, Apr 1939, Dickason 8576 (holotype: AMES)

Heterotypic synonym: Kalimpongia narajitii Pradhan, Orchid Digest 41: 172, 1977.

Specimens examined:— CHIN. District not traced: type; Falam District : 1890 m, 16 Mar 1910, Venning 4 & 5 ( K) , det. J. J. Wood ; same loc., 1675 m, 5 Apr 1938, Dickason 7377 ( AMES, K) ; same loc., 2325 m, 20 Apr 1938, Dickason 7524 ( AMES, K) ; Mindat District : 1525 m, 13 Apr 1926, Unwin 3009 ( E) ; same loc., 1905 m, 14 Apr 1926, Unwin 3018 ( E) ; same loc., 2135 m, 16 Apr 1956, Kingdon-Ward 22129 ( BM) ; same loc., 2400−2600 m, 18 May 2004, Tanaka et al. 030725 ( MBK) ; same loc., 14 May 2007, Tanaka s.n. ( TNS [s]); same loc., 23 Mar 2008, Yasuda 060012 ( MBK) .

Distribution:— The eastern Himalayas, northeastern India and western Myanmar.

Note:— Dickasonia was once the only endemic orchid genus of Myanmar until Pradhan described the synonymous Kalimpongia narajitii from Manipur, India.