Rhynchostylis retusa

Ormerod, Paul, Kurzweil, Hubert & Watthana, Santi, 2021, Annotated List of Orchidaceae for Myanmar, Phytotaxa 481 (1), pp. 1-262 : 218-219

Rhynchostylis retusa (L.) Blume, Bijdr. Fl. Ned. Ind.: 286, 1825

Basionym: Epidendrum retusum L., Sp. Pl.: 953, 1753.

Homotypic synonyms: Limodorum retusum (L.) Sw., Nova Acta Regiae Soc. Sci. Upsal. 6: 80, 1799. Aerides retusa (L.) Sw., J. Bot. (Schrader) 1799 (2): 233, 1800. Saccolabium retusum (L.) Voigt, Hort. Suburb. Calcutt.: 630, 1845. Gastrochilus retusus (L.) Kuntze, Revis. Gen . Pl. 2: 661, 1891.

Heterotypic synonyms: Saccolabium berkeleyi Rchb. f., Gard. Chron., n.s., 19: 814, 1883.

Saccolabium blumei Lindl. , Edwards’s Bot. Reg. 27 (Misc.): 55, 1841. Gastrochilus blumei (Lindl.) Kuntze, Revis. Gen . Pl. 2: 661, 1891.

Rhynchostylis retusa (L.) Blume var. major Sander , Sander’s Orch. Guide: 216, 1901 [as majus]. Saccolabium blumei Lindl. var. majus J.Linden , Pescatorea : t. 21, 1860. Type:— MYANMAR. Mon State: Mawlamyine District, without collector s.n. (not located).

Specimens examined:— KACHIN. Putao District : 1150 m, 11 Jul 1939, Kaulback 249 ( BM) ; Myitkyina District: Jun 1899, Mokim 6 ( AMES, BM, K, P) ; same loc., 3 May 2009, Kyaw Khaing 0080 ( TNS [s]) . CHIN. District not traced: 610 m, comm. 9 Oct 1923, Daun 17 ( K) ; same loc., 1525 m, comm. 9 Oct 1923, Daun 33 ( K) , det. E.A. Christenson; Mindat District: 29 May 2008, Yasuda 060047 & 060054 ( MBK) . MANDALAY. Pyinoolwin District : 915 m, 24 May 1913, Lace s.n. ( E) , det. R.A. Rolfe; same loc., 915 m, 31 May 1913, Lace s.n. ( E) , det. R.A. Rolfe; Myingyan District: 30 Jun 2002, Tanaka 20020502 ( TNS [s]) ; same loc., 27 May 2005, Khin Myo Htwe 032884 ( MBK) , fide Tanaka et al. (2015: 85); same loc., 30 May 2006, Tanaka 036102 ( MBK, TNS [s]) ; same loc., 31 May 2006, Tanaka et al. 036139 ( MBK, TNS [s]) . SHAN. Taunggyi District : fide Nyan Tun (2014: 398); same loc., 1 Jul 2019, Kim s.n., photo . KAYAH. Loikaw District: Tanaka et al. MY4904 ( TNS, photos seen) . RAKHINE. Kyaukpyu District: May 1945, Wallace 180 ( BM) . BAGO. Bago District: Reynaud s.n. ( P) . YANGON. Central part: 30 m, 12 May 1948, Po Khant 331 ( RAF) , det. herbarium DD. TENASSERIM. Parish 3 (not located), fide Parish (1883: 198) [as Saccolabium blumei ]. MON. Mawlamyine District : type . TANINTHARYI. Dawei District: May 1901, Mokim 742 ( AMES) .

Distribution:— Sri Lanka, India, the Himalayas, Myanmar, Thailand, Indochina, southwestern China and western Malesia.