Thrixspermum hystrix (Blume) Rchb.

Ormerod, Paul, Kurzweil, Hubert & Watthana, Santi, 2021, Annotated List of Orchidaceae for Myanmar, Phytotaxa 481 (1), pp. 1-262 : 229

publication ID	https://doi.org/ 10.11646/phytotaxa.481.1.1
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scientific name	Thrixspermum hystrix (Blume) Rchb.
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Thrixspermum hystrix (Blume) Rchb. View in CoL f., Trans. Linn. Soc. London 30: 145, 1874

Basionym: Dendrocolla hystrix Blume, Bijdr. Fl. Ned. Ind. View in CoL : 291, 1825.

Homotypic synonyms: Aerides hystrix (Blume) Lindl. View in CoL , Gen . Sp. Orchid. Pl.: 242, 1833. Sarcochilus hystrix (Blume) Rchb. View in CoL f. in Ann. Bot. Syst. (Walpers) 6: 500, 1863. Grosourdya hystrix (Blume) Rchb. View in CoL f., Xenia Orchid. View in CoL 2: 123, 1868.

Heterotypic synonyms: Sarcochilus trichoglottis Hook. f., Fl. Brit. India 6: 39, 1890. Thrixspermum trichoglottis (Hook.f.) Kuntze, Revis. Gen . Pl. 2: 682, 1891. Dendrocolla trichoglottis (Hook.f.) Ridl., J. Linn. Soc., Bot. 32: 381, 1896.

Specimens examined:— KACHIN. Mohnyin District : 170 m, 5 May 2010, Kurzweil & Saw Lwin KL 2789 ( SING, SING [s]), ident. uncertain . MON. Mawlamyine District : Parish 107 & 285 ( K) . TANINTHARYI. Dawei District: fide Aung et al. (2020: 103; as T. trichoglottis ); Myeik District: Griffith 1006, Kew Distr. 5232 ( K) .

Distribution:— Bangladesh, northeastern India, Myanmar, Thailand, Indochina, southwestern China and Malesia as far east as New Guinea and northeastern Australia.

Notes:— The taxonomy of the T. hystrix / trichoglottis complex is complicated ( Seidenfaden 1988: 162–165). We have provisionally recognized the older name T. hystrix for the complex. Resolving the circumscription of these species is a focus of the authors. Kurzweil & Saw Lwin KL 2789 is similar to some forms of T. hystrix , but differs in having smaller, yellow flowers.