Thelasis macrobulbon Ridl. 1896


Plant and Flowers

Photos by Peter O'Byrne

Full Shade Hot LATE

Common Name or Meaning The Large Pseudobulb Thelasis

Flower Size .1" [2.5 mm]

Found in penninsular Malaysia and Borneo in lower montane forests at elevations around 200 to 3000 meters as a small sized, hot growing orchid with ovoid, taller than wide pseudobulbs carrying 2, a single short, and a single long, apical, erect, narrowly oblong, broadly pointed, gradually narrowing to the base leaves that blooms in the late summer on a basal, erect, to 8" [20 cm] long, many flowered inflorescence with many flowers open at any one time.


References W3 Tropicos, Kew Monocot list , IPNI ; The Orchids of Thailand Seidenfaden & Smitinand 1961; The Orchids of Penninsular Malaysia and Singapore Seidenfaden & Wood 1992 drawing hmm; Orchids of Malaya Segerback 1992 photo fide; A Checklist of the Orchids of Borneo Wood & Cribb 1994; The Orchids of Mount Kinabalu Vol 2 Wood, Beaman, Lamb, Chu Lun and Beaman 2011; A to Z of South East Asian Orchid Species Vol 2 O'Byrne 2011 photo fide