Small caespitose epiphyte, 7-25 cm tall; stems slender with slender, fusiform segments superimposed along their length. Leaves usually 2 at apex of each segment, all but the lowermost persisting, linear-lanceolate, 1-6 cm long, 1-7 mm wide, emarginate at apex. Flowers white, +/- sessile, solitary or few in fascicles at apex of stem segments; sepals 3.5-5 mm long, 1-2.5 mm wide; petals as long as lateral sepals, 0.5-0.6 mm wide; lip entire or trilobate, 4-6 mm long, 2.5-4 mm wide. Fruits not seen. Shattuck 549.