Thelasis micrantha (Brongn.) J.J.Sm. 1905 SUBGENUS Oxyanthera

Photo by © Peter O'Byrne and his The Swiss Orchid Foundation at the Jany Renz Herbaria Website


Photo by © Manorot Tangsaveepha and his Buterfly & Orchid Website

Plant and flower

Photo by André Schuiteman, Dr. E.F. de Vogel and Jaap Vermeulen and Their Netherlands National Herbarium Website

Part Shade HotWarmWinter

Common Name or Meaning The Small Flowered Thelasis

Flower Size .1" [2mm]

Found in Myanmar, Thailand, Malaysia, Vietnam, Java, Sumatra, Borneo, Moluccas, New Guinea and the Philippines in lowland, hill and lower montane forests at elevations of 200 to 1600 meters as a small sized, hot to warm growing epiphyte with laterally flattened, oval, green, fleshy pseudobulbs envloped completely by basal leaf-bearing sheaths and carrying a single apical, erct, narrowly lanceolate, apically uneven, basally conduplicate and clasping leaf that blooms in the winter on an axillary, arising from the lower sheaths, brown, erect, 6" [15 cm] long, rhachis bent downwards and very short inflorescence carrying many scarcely opening, simultaneous, 10 to 12 flowers clustered together at the apex

Synonyms Oxyanthera decurva (Hook.f.) Hook.f. 1892; *Oxyanthera micrantha Brongn. 1834; Phreatia contracta (Blume) Miq. 1859; Thelasis carinata Rchb.f. 1857; Thelasis contracta Blume 1856; Thelasis decurva Hook.f. 1890

References W3 Tropicos, Kew Monocot list , IPNI ; Icones Plantarum Vol 22 Hooker 1893 as Thelasis decurva drawing good; Die Orchideen Von Java J.J.Sm. 1905; Die Orchideen Von Java Figuren Atlas J.J.Smith 1908 drawing ok; Studies in the Family Orchidaceae Fascile 2 Ames 1908; Orchideen Schlechter 1915 as Oxyanthera micrantha; Flora of malaya Vol 1 Holttum 1957; The Orchids of Thailand Seidenfaden & Smitinand 1961 drawing ok; Encyclopedia of Cultivated Orchids Hawkes 1965 as Oxyanthera micrantha; Die Orchideen #6 21-24 tafel 7 Rudolph Schlechter 1971 as Tholasis decurra spelling sic photo ok; Die Orchideen #6 21-24 tafel 7 Rudolph Schlechter 1971 as T decurva drawing Orchidiana Philipiniana Vol 1 Valmayor 1984; The Orchids of Penninsular Malaysia Woods & Seidenfaden 1992 drawing ok/photo fide; Orchids of Java Comber 1990 photo ok; The Orchids of Penninsular Malaysia and Singapore Seidenfaden & Wood 1992 drawing good; The Plants of Mount Kinabalu Vol 2 Orchids Beaman, Wood, Beaman & Beaman 1993; A Checklist of the Orchids of Borneo Wood & Cribb 1994; Orchids of Sumatra Comber 2001 photo ok; Orchids of Sarawak Beaman, Wood & Beaman etal 2001; A to Z of South East Asian Orchid Species Vol 1 O'Byrne 2001 photo fide; Lindleyana Vol 17 No 1 2002; Flora Malesiana Orchids of the Philippines Vol I Agoo, Shuiteman and de Vogel 2003; A field Guide to the Wild Orchids of Thailand Vaddhanaphuti 2005 photo good; Flora Malesia Orchids of New Guinea Vol V 2008; The Orchids of Mount Kinabalu Vol 2 Wood, Beaman, Lamb, Chu Lun and Beaman 2011 photo fide; Wild Orchids of Penninsular Malaysia Ong, O'Byrne, Yong & Saw 2011 photo fide