Dendrobium devonianum Paxton

Ormerod, Paul, Kurzweil, Hubert & Watthana, Santi, 2021, Annotated List of Orchidaceae for Myanmar, Phytotaxa 481 (1), pp. 1-262 : 99-101

Dendrobium devonianum Paxton , Paxton’s Mag. Bot. 7: 169, 1840

Homotypic synonyms: Dendrobium pulchellum Roxb. ex Lindl. var. devonianum (Paxton) Rchb. f. in Ann. Bot. Syst. (Walpers) 6: 284, 1861. Callista devoniana (Paxton) Kuntze, Revis. Gen . Pl. 2: 654, 1891.

Heterotypic synonyms: Dendrobium devonianum Paxton var. rhodoneurum Rchb. f., Gard. Chron. 1868: 682, 1868. Type :— MYANMAR. Mon State : Mawlamyine District, Parish 310 (holotype: W-R 40052 ) .

Dendrobium moulmeinense C.S.P.Parish ex Hook. f., Fl. Brit. India 5: 746, 1890. Callista moulmeinensis (C.S.P.Parish ex Hook.f.) Kuntze, Revis. Gen . Pl. 2: 655, 1891. Type:— MYANMAR. Mon State: Mawlamyine District, Parish 310 (holotype: K).

Specimens examined:— KACHIN. Myitkyina District: 1065−1220 m, Jan 1953, Kolugam s.n. ( K); Bhamo District: Dickason 4109 ( AMES); same loc., 25 Apr 1935, Dickason 4504 ( AMES) . SAGAING. Hkampti District and Mawlaik District: fide Aung et al. (2020: 78); Katha District : 305 m, 25 Mar 1916, AR 492 ( RAF), det. herbarium CAL , ident. uncertain. MANDALAY. Pyinoolwin District : 1220 m, Apr 1934, Dickason 3134 ( AMES) . MON. Thaton District: fide Aung et al. (2020: 78); Mawlamyine District : types. Also reported from Chin and Kayin states and Tanintharyi Region by Kress et al. (2003: 73) and from Shan State by Saw Lwin (2007: 251), but we have not seen material from these areas.

Distribution:— The eastern Himalayas, northeastern India, Myanmar, Thailand, Indochina and southwestern and southern China.

Dendrobium dickasonii L.O.Williams, Bot. Mus . Leafl. 8: 107, 1940. Type:— MYANMAR. Chin State: Falam District , 1830 m, 28 Apr 1938, Dickason 7779 (holotype: AMES)

Heterotypic synonyms: Dendrobium arachnites Rchb. f., Gard. Chron., n.s., 2: 354, 1874, nom. illeg. [non Thouars 1822]. Callista arachnites Kuntze, Revis. Gen . Pl. 2: 654, 1891. Dendrobium inversum A.D.Hawkes, Orquídea (Rio de Janeiro) 25: 103, 1963. Dendrobium seidenfadenii Senghas & Bockemühl, Orchidee (Hamburg) 29 (5) cppo: 2, 1978, nom. superfl. Type:— MYANMAR. Without locality: imp. Low ex Boxall 74 (holotype: W-R 32355).

Specimens examined:— CHIN. Falam District: type; same loc., 1980 m, Oct 1910, Venning 60 ( K) ; same loc., 1645−1830 m, comm. 9 Oct 1923, Daun 21 ( K) ; Mindat District: 915–1220 m, 10 May 1956, Kingdon-Ward 22222 ( BM), det. Alsterlund; same loc., 2135 m, 20 May 1956, Kingdon-Ward 22244 ( BM) ; same loc., 2135 m, May 1956, Maung Gale-2 5486 ( RAF) ; same loc., 1750 m, 26 Apr 2003, Murata et al. 029696 ( MBK) , det. T. Yukawa; same loc., 1700−2030 m, 21 May 2004, Tanaka et al. 031005 ( MBK) ; same loc., 1800 m, 15 May 2007, Tanaka et al. 051121 ( MBK) . MANDALAY. Mandalay District: Swinhoe 36 ( K) . SHAN. Taunggyi District: 2255 m, May 1939, Dickason 8756 ( AMES) . BAGO. Taungoo District: imp. Bull 68 ( W-R 32354 ) . TANINTHARYI. Dawei District : fide Aung et al. (2020: 78). WITHOUT LOCALITY. Type; icon. Rimann s.n. ( W-R 32353 ) ; icon. Day s.n. (vol. 50, t. 43 at K) .

Distribution:— Northeastern India, Myanmar and Thailand.

Dendrobium dixanthum Rchb. f., Gard. Chron. 1865: 674, 1865. Type :— MYANMAR. Mon State : Mawlamyine District, Parish 21 (holotype: K; isotype: W-R 39696 )

Homotypic synonym: Callista dixantha (Rchb.f.) Kuntze, Revis. Gen . Pl. 2: 654, 1891.

Specimens examined:— KACHIN. Bhamo District: 150 m, Bogg s.n. in Mamyo Botanic Gardens 13534 ( K) . SHAN. Taunggyi District: May 1932, Dickason 1166 ( AMES); Kengtung District : 12 Mar 1957, Egerod B- 105 in Univ. California Bot. Gard. access. no. 57.264-2 ( K), det. V. S. Summerhayes [1960]; same loc., 13 Mar 1957, Egerod B- 105 in Univ. California Bot. Gard . s.n. ( TNS), det. P. F. Hunt & V. S. Summerhayes [1962] . KAYIN. Thaungyin Valley : 21 Sep 1927, Swinhoe K 128 ( K), ident. uncertain . MON. Mawlamyine District : type. Also reported from Tanintharyi Region by Kress et al. (2003: 73), but we have not seen material from this area.

Distribution:— Myanmar, Thailand, Indochina and southwestern China.

Note:— Two other sheets of the Egerod B-105 collection were referred to D. crepidatum Lindl. & Paxton ; see there.

? Dendrobium × donnesiae Hort., Gard. Chron., ser. 3, 17: 402, 1895, in obs.; Garden (London, 1871−1927) 47: 225, 1895. Type:— ORIGIN UNKNOWN (? Myanmar). Cult. (probably not preserved)

Specimen examined:—? MYANMAR. Type .

Distribution:—?Endemic.

Note:— According to the protologue, a natural hybrid between D. formosum and D. infundibulum .

Dendrobium draconis Rchb. f., Bot. Zeitung (Berlin) 20: 214, 1862. Types :— MYANMAR. Mon State : Mawlamyine District, Parish 132B (syntype: W-R 32379 ); same loc., cult. Day s.n. (syntype: W-R 32379 )

Homotypic synonym: Callista draconis (Rchb.f.) Kuntze, Revis. Gen . Pl. 2: 654, 1891.

Heterotypic synonyms: Dendrobium eburneum Rchb. f. ex Bateman , Bot. Mag. 90: t. 5459, 1864. Type :— MYANMAR. Mon State : Mawlamyine District , Parish s.n., cult. Low s.n. (holotype: K) .

Dendrobium andersonii J.Scott, J. Agri-Hort. Soc. W. India , n.s., 3: 117, 1872. Type :— MYANMAR. Without locality: Anderson s.n. (holotype: not located).

Specimens examined:— KACHIN. Bhamo District: Foerstermann s.n. ( W-R 8498 ) . SAGAING. Kale District : 4 Apr 2008, Kyaw Khaing S-0003 ( TNS [s]) . CHIN. Mindat District: Dec 2002, Tanaka s.n. ( TNS [s]) . MANDALAY. Pyinoolwin District : May 1932, Dickason 5773 ( AMES) ; Myingyan District: 6 Jun 2005, Khin Myo Htwe 34 ( TNS [s]), fide Tanaka et al. (2015: 76) . KAYIN. Thaungyin Valley: 120 m, Baldwin s.n. in Maymyo Bot. Gard. 13570 ( K) . MON. Mawlamyine District : types; same loc., Parish 131 ( K). WITHOUT LOCALITY. Type .

Distribution:— Northeastern India, Myanmar, Thailand and Indochina.

Note:— Typification of this species requires further study.

Dendrobium ellipsophyllum Tang & F.T.Wang, Acta Phytotax. Sin. 1: 81, 1951. Type :— MYANMAR. Mon State : Mawlamyine District, Peche s.n. (holotype: K; isotype: BM)

Homotypic synonym: Distichorchis ellipsophylla (Tang & F.T.Wang) M.A.Clem. , Telopea 10: 281, 2003.

Dendrobium revolutum auctt. plur. non Lindl.

Specimens examined:— MANDALAY. Mandalay District: 1926, Swinhoe 60 ( K) . MON. Mawlamyine District: type; same loc., Parish 112 ( K) .

Distribution:— Myanmar, Thailand, Indochina, southwestern China and possibly Borneo.