Deciduous herbs. Roots ca. 4 mm in diam. Corms, 1-5 cm in diam., usually with 2-3 internodes. Stems short or obscure, often with 3 leaves at apex. Leaves oblong, 15-30 cm long, 4-6 cm wide, apex acute, base cuneate, plicate. Peduncle as long as leaves, ca. 5-7 mm in diam., erect but bent down near apex, with 2 or 3 sheaths below; bracts lanceolate, 5-9 mm long. Flowers dense, pale pink or nearly white, perianth not opening widely; sepals and petals oblong, 9-12 mm, 3-4 mm wide, obtuse; lip cymbiform, 9-12 mm long, 8 mm wide, base shallowly saccate, apex truncate or emarginate, undulate, disc with fleshy longitudinal ridge, ridge yellow, bilobed at apex, with 2 small pubescent calli at base; column ca. 4 mm long, foot 2 mm long; anther white, orbicular-ovate, 1.5 mm long; pollinia ellipsoid, 1 mm long, with rectangular stipe of same length. Fruits fusiform, to 4 cm long, peduncle straightened and elongate at maturity.

KAOHSIUNG: Maolin, Su & Chen 8602; Wangshan, Su & Chen 8936. PINGTUNG: Kentin, Su 7949; Laofushan, Su & Chen 7968*. TAITUNG: Lanyu Is., Su 32.

Southern China, the Ryukyus, the Philippines and Indochina, through Malaysia to Papua New Guinea and Australia. Taiwan, semideciduous forests at low elevations in the southern part, also on Lanyu Is.