Plants creeping, with slender elongate stems. Leaves linear-lanceolate, 3 cm long, 4-6 mm wide, fleshy, apex acute, base cuneate, with a tubular sheath. Racemes 2 cm long. Flowers 3 or 4, yellowish brown, rarely brown punctation, 8-9 mm in diam.; sepals obovate-oblong, 5-6 mm long, 3 mm wide, concave, obtuse at apex, contracted at base; petals similar to sepals or slightly smaller; lip with a broad limb and a short sac at base, sac conic, distinctly curved forward, more or less flattened, 4.8 mm long; limb triangular or semiorbicular or flabellate, 5 mm long, 6-7 mm wide, apex rounded, retuse, upper surface white pubescent, with a fleshy yellow callosity near center of disc.

PINGTUNG: Tawushan, Lin 411.

Endemic, known only from Tawushan.