Plants up to 40 cm tall. Stems tufted, compressed, tightly enclosed by persistent sheaths of leaves, slender at base, gradually dilated upwards; internodes about 4 cm long. Leaves regularly 2-ranked, linear, 15-25 cm long, 1.5-2.5 cm wide, obtuse and unequally 2-lobed at apex, cuneate and twisted at base; sheaths equitant, rather rigid, 4-5 cm long. Inflorescence a terminal head, 1.5-2.5 cm in diameter, consisting of many short branches, each about 1.5 cm long, with 2-3 flowers subtended by many sterile bract-like scales, scale lanceolate, about 1.5 cm long, soon disintegrated into chaff-like and persistent fibers; floral bract ovate, 4-5 mm long; pedicel and ovary 7 mm long. Flowers minute, 6-7 mm across, white or turning yellow; dorsal sepal ovate-elliptic, 4 mm long, 2.3 mm wide, obtuse; lateral sepals ovate, 4.5 mm long, 2.5 mm wide, acute; petals linear, tapering gradually to apex, 3.5 mm long, 1 mm wide; lip cohering with column, 4 mm long, composing of a semispheric sac at base and a semicupshaped limb at apex, more or less constricted between sac and limb, internally with a transverse ridge between limb and sac; column 3-4 mm long; pollinia 8, ovoid, connected in 2 groups by short caudicle.

PINGTUNG: Hengchun Peninsula, Kawakami & Nakamura s. n. 1906; Kueitien, Lin 454. TAITUNG: Shinhua Farm, Lin 458; Chinshuiying, Su 13*.

Distributed in the Philippines. Taiwan, evergreen forests of the southern mountainous regions.