Tufted epiphytes. Pseudobulbs obscured by overlapping leaf sheaths. Leaves 9-18, linear, ca. 100 cm long, 1-1.2 cm wide, coriaceous, apex acuminate, attenuate at base and articulated with sheath; sheaths ca. 4 cm long. Peduncle lateral form leaf-axils, pendulous, dark brown, more than 30 cm long, with several well-spaced sheaths near base, sheaths tubular-linear, 10-12 cm long, 1 cm wide; raceme with many flowers; bracts greenish, ovate-lanceolate, 3 mm long, 2 mm wide; pedicel and ovary pale red-brown, 1.8 cm long. Flowers pendulous, sepals and petals connivent, spreading apically, tawny-brown; sepals oblanceolate, 4.3 cm long, 8-9 mm wide, acute; petals similar but narrower, 4.3 cm long, 5-6 mm wide, with minute red dots; lip united basally to base and sides of column, not mobile, obovate, 4.3 cm long, 2.6 cm wide, 3-lobed, base narrowed into claw, sidelobes erect, triangular, with many minute red-brown spots, midlobe nearly orbicular, ca. 7 mm across, slightly undulate, with red-brown spots, disc with 2 longitudinal keels; column slender, greenish, terete, ca. 3.5 cm long; minutely hirsute on lower ventral side; anther white, orbicular, beaked; pollinia 2, deeply cleft.

KAOHSIUNG: Sanping, Lin 254.

Northern India, Sikkim and Myanmar. Taiwan, forests at low throughout island, somewhat rare.