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Herbs, epiphytic, small. Pseudobulbs densely arranged, ovoid or narrowly ovoid to subcylindric, 8-20(-30) × 2-6 mm. Leaf 1, oblanceolate or linear-oblanceolate, 5-17 × 0.5-0.8(-1.5) cm, papery, base attenuate into a petiole, articulate, apex acuminate. Inflorescence 5-16 cm; peduncle slightly compressed cylindric, very narrowly winged; rachis (7-)10-40-flowered; floral bracts subulate, 3-5(-8) mm. Flowers green or greenish white, very small; pedicel and ovary 3-4 mm. Dorsal sepal suboblong, 1.5-1.8 × ca. 0.7 mm, 1-veined, apex obtuse; lateral sepals ovate-oblong, slightly oblique, 1.3-1.5 × 0.9-1 mm, 1-veined. Petals narrowly linear, 1.5-1.8 × ca. 0.3 mm, apex obtuse; lip nearly broadly oblong, ca. 1.8 × 1.2 mm, base with a pair of backward spreading auricles, without a conspicuous callus, margin sometimes slightly undulate, apex subtruncate and mucronate. Column slightly arcuate, 0.8-1.2 mm, apex dilated. Capsule subellipsoid, 3-4 × ca. 3 mm; fruiting pedicel 4-5 mm. Fl. Jun-Oct, fr. Oct-Nov. 2n = 40.
Small epiphytic herb; pseudobulbs 13–25 × 10 mm, ovoid, smooth and green when young, later yellowish and wrinkled, 1-leafed at apex, pseudobulbs set close together on the rhizome to form dense mats.
Lip 2.5 mm long, less than 2 mm wide, oblong, ± 4-lobed, apiculate, with 2 small calli at the base.
Leaf stiff, erect, 6–10 × 1–1.5 cm, oblanceolate, usually light green, jointed at base.
Flowers non-resupinate, greenish-yellow to creamy-yellow, very small.
Inflorescence terminal, c. 10 cm long, densely 20–40-flowered.
Sepals ovate, acute, reflexed; dorsal sepal 2.5 × 0.5 mm.
Bracts acuminate, 3 mm long.
Ovary and pedicel 5 mm long.
