Herbs, epiphytic, small. Pseudobulbs densely arranged, ± prostrate, subovoid-oblong, 4-6(-15) × 5-10 mm. Leaf 1, narrowly elliptic to oblong, 3-5(-10) × 0.8-1.1 cm, papery or thinly leathery, base contracted into a conspicuous petiole, articulate, apex acuminate. Inflorescence 4-7 cm; peduncle compressed cylindric, narrowly winged; rachis 2-4 cm, laxly several flowered; floral bracts narrowly lanceolate, 4-8 mm. Flowers pale yellowish green or turning orange, column white; pedicel and ovary 8-10 mm. Dorsal sepal nearly narrowly oblong-lanceolate, 4-6(-9) × 1.5-2 mm, 3-veined, margin revolute, apex acuminate; lateral sepals narrowly oblong-lanceolate, slightly oblique, 4-6 × 1.8-2.2 mm. Petals narrowly linear, ca. 4 × 0.5 mm; lip subobovate-oblong, ca. 4 × 3 mm, with a bilobed callus near base, apex subtruncate and mucronulate. Column slightly arcuate, ca. 3 mm, upper part narrowly winged. Fl. Oct.
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