Epiphytes. Stems terete, densely leafy, to 15.5 cm, ca. 2 mm in diam. Leaves erect-patent, folded longitudinally, V-shaped in cross section, ensiform in lateral view; blade to 13.5 × 4.5 mm, not articulate at base, acute. Inflorescence pseudoterminal, zigzag, successively in total 3-flowered, 3-5 mm; floral bracts ovate, ca. 4.5 × 2 mm, acute. Flowers white; pedicel and ovary terete, clavate, ca. 3.2 mm. Dorsal sepal ovate-elliptic, ca. 4.2 × 2 mm, subacute; lateral sepals with lower basal half dilated-saccate to form a ca. 2-mm-long pseudomentum, midvein slightly carinate externally, obliquely broadly ovate, ca. 3.8 × 3 mm, subacute. Petals with a short claw connate to column, free part obliquely ovate, ca. 3.5 × 2 mm, 1-veined, obtuse; lip ca. 4.2 × 2.5 mm; claw ligulate, ca. 1 mm; blade 3-lobed, constricted in basal third; basal lobe concave-saccate, transversely elliptic or subcordate; terminal lobe ovate, shortly retuse, ca. 3 × 2.5 mm. Column 2-2.5 × ca. 1.5 mm; anther cap ovate-lanceolate, ca. 2 × 0.5 mm, apex shortly bifurcate. Fl. May-Aug.
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