Plants 20-40 cm tall. Stems tufted, slender at base, dilated gradually upward, internodes ca. 4 cm, enclosed by persistent leaf sheaths. Leaf blade linear, 15-25 × 1.5-2.5 cm, apex obtuse and often unequally bilobed, sheathing at base; sheaths persistent, somewhat conduplicate, 4-5 cm, rigid. Inflorescence terminal, capitate, 1.5-2.5 cm in diam., branched, many flowered, each branch 2-or 3-flowered; floral bracts many. Flowers white or turning yellow later, small; pedicel and ovary ca. 7 mm. Dorsal sepal ovate-oblong, 4-5 × 2-2.5 mm, rounded; lateral sepals ovate, ca. 4.5 × 2-2.5 mm, acute. Petals linear, ca. 3.5 × 1 mm; lip ca. 4 mm, slightly contracted and with a transverse ridge at middle, forming a subglobose sac at base and a concave limb above middle. Column 3-4 mm. Fl. Feb-Mar.
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