Growth form Epiphyte, sometimes terrestrial, erect, up to 90 cm high. Rhizome not seen. Roots filiform, flexible, glabrous, up to 15 cm long. Stem cylindrical, less branched, 0.7-1 cm in diameter, proliferously leafed, completely covered by leaf sheaths, internodes 1-2.5 cm long, Leaf subpatent, oblong-lanceolate, coriaceous; apex unequal 2-lobed, both lobes obtuse; base broadly cuneate; lamina 10.5-13.5 cm long, 1.2-1.8 cm wide; sheath tubular, 1,4-1,8 cm long, prominent ribs, slightly warty; apex toothed, with blackish glabrous margin. Inflorescences terminal, multi-flowered, nodding, semi-globose when young enveloped by a spathe. Spathe transparent, thin, lanceolate to elliptic-lanceolate, 11-14 mm long, 3-4.5 mm wide; floral bracts not seen. Flowers upright or upside-down, glabrous, 0.7 cm across. Median sepal erect, 7.5-9 mm long, 3.5 mm wide, apex subacute. Lateral sepals oblique ovate-falcate, 7-8 mm long, 3.5-4 mm wide, half to third part from the base connate, anterior margin widened, apex subacute, often shortly pointed. Petal erect, oblong to sub oblique, 6.5-7 mm long, 2-2.5 mm wide, apex obtuse. Lip transverse oblong-elliptic, reflexed, subquadrate, 4-4.5 mm long, 2-2.5 mm wide; epichile broadly rounded, carnose, channelled, apex obtuse; hypochile spurred; spur broadly elliptic-obovoid, 2.5 mm long, 2 mm wide, apex obtuse. Column semi-cylindric, widened at apex, 2 mm long; clinandrium deeply excavate, margin irregular toothed, 3-dentate; stelidia not seen. Anther transversely obovate, 1.5 mm long, 1.75 mm wide, with a prominent projection at back, apex emarginate; rostellum transversely oblong, subrecurved apex, margin broadly emarginate; stigma hollow, anterior margin elevated; pollinia laterally compressed, obliquely obovate, 1 mm wide ; viscidium absent. Ovary clavate, 0.12 mm long, 3-angled, 3-ribbed . Capsule not seen.
Habitat and Ecology - Epiphyte in the montane forest of the Mendrausuthu range in the Naitasiri province. Altitude 750 m. Flowering in March and April in the wild.
Notes - 1. Flowers white with red spots.
3. Specimen observed: K000810788 (holotype).