Herbs, epiphytic. Pseudobulbs narrowly ovoid, ovoid, or suboblong, 1-2 cm × 4-7 mm. Leaf 1, narrowly oblong to narrowly oblong-oblanceolate, 7-15 × 6-12 cm, papery, base contracted into a short petiole, articulate, apex acuminate. Inflorescence 9-13 cm; peduncle somewhat compressed, very narrowly winged; rachis 3.5-7.5 cm, 10-to many flowered; floral bracts narrowly lanceolate, 1.5-2.5 mm; pedicel and ovary 1.5-2 mm. Sepals nearly narrowly ovate-elliptic, 1.5-1.8 × ca. 0.7 mm. Petals narrowly linear, 1.3-1.6 × ca. 0.2 mm; lip subovate, ca. 1.8 × 1.5 mm, 3-lobed; lateral lobes subovate, obtuse; mid-lobe suboblate or broadly rhombic-oblate, 0.6-0.8 × ca. 1 mm, base ecallose, apical margins irregularly denticulate, apex subacute. Column slightly arcuate, ca. 1.2 mm, base dilated and thick. Capsule ellipsoid or broadly obovoid-ellipsoid, 2.5-3 × 1.8-2 mm; fruiting pedicel 1.5-2 mm. Fl. Oct-Nov, fr. next Mar. 2n = 38.
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