Terrestrial herb. Stems creeping at base, ascending at apex, 3-5 cm long, with 2-4 leaves. Leaves soft, thinly chartaceous, obliquely ovate or obliquely ovate-lanceolate, 2.5-4 cm long, 2-3 cm wide, acute or acuminate at apex, rounded at base, wavy or toothed at margins; petioles 2-3 cm long. Peduncle up to 9 cm long, villose, with or without sheaths; floral bracts glabrous outside, ciliate at margins. Flowers 1-4, racemose; ovary nearly glabrous but villose at apex; sepals ovate-elliptic, 11-15 mm long, white or pale brown, dorsal one erect, concave, lateral ones spreading downward; petals obliquely rhombic, 11-15 mm long, with many forked veins; lip ovate, 10-13 mm long, concave, densely hairy at base, 9veined; column cylindric, 11-12 mm long; anther erect, narrowly ovate-lanceolate, acuminate at apex; pollinia with very long tapering end; stigma ventral, facing toward apex of column; rostellum acuminate; viscidium narrowly elliptic.

TAIPEI: Wulai, Su, s. n. Jul 1986. HSINCHU: Wutsushan, Leou 3685. MIAOLI: Manaponshan, Su 8870. NANTOU: Sun Moon Lake, Leou 3298. PINGTUNG: Lilungshan, Su 7367.

Japan, the Ryukyus, Thailand, Malaya, Java and Australia. Taiwan, forests at low elevations in northern and central mountainous regions.