Vanda thwaitesii Hook.f. 1898
Drawing Photo by Kumar/drawing by M.D.Dassanayake & F.R.Fosberg and The Swiss Orchid Foundation at the Jany Renz Herbaria Website
Plant and Flowers Photos by © Enchanting Kerala Website
OR 
Common Name Thwaites' Vanda [English Botanist and plant collector in the Indian subcontinent 1800's]
Flower Size 1.48" [3.7 cm]
Found in southern India and Sri Lanka at elevations around 1000 to 1200 meters as a small sized, cool growing, monopodial epiphyte with a stout stem enveloped below by brown, coriaceous sheaths and carrying towards the apex, thick, coriaceous, distichous, strap-shaped, recurving, apically trilobed, basally clasping leaves that blooms in the spring or fall on an axillary, stout, green, 4" [10 cm] long, 1 to 3 flowered inflorescence with very small floral bracts.
CAUTION I have no way of verifying this determination so use with caution.
Synonyms
References W3 Tropicos, Kew Monocot list , IPNI ; A Revised Handbook to the Flora of Ceylon Vol 2 Dassanayake & Fosberg 1981 drawing fide; Rudolf Schlechter Die Orchideen Band 1B lieferung 19/20 1129 - 1264 Brieger 1988; The Orchids of India A Glimpse Misra 2007
----------------------------------------------------------------------------------------------------------
--------------------------------------------------------------------------------------------------------------------------
