Terrestrial herbs. Stems creeping below, ascending above, 5-10 cm long. Leaves thickly chartaceous, elliptic, slightly oblique, 4-5 cm long, 2-3 cm wide, apex acuminate, base rounded, distinctly 3veined, margin serrulate at one side; petioles 1-2 cm long. Peduncle 5-10 cm long, villose, with 1-3 sheaths, sheaths glabrous outside, ciliate at margins; raceme laxly flowered; floral bracts glabrous outside, ciliate at margins. Flowers 1-4; ovary villose near apex, glabrous below; sepals villose at base, glabrous above, ovate-elliptic, 13-16 mm long, dorsal one erect, concave at base, lateral one spreading, pendulous; petals obliquely rhombic, 13-16 mm long with many forked veins; lip white, 12-13 mm long, 9-11-veined, apex acuminate and reflexed, base saccate, hairy inside; column, greenish, 11-13 mm long, 3.3-3.6 mm wide; anther as long as rostellum, narrowly lanceolate; pollinia with a long tail-like apex; stigma protruding, facing apex of column; rostellum 10 mm long, slightly bent downward; viscidium narrowly elliptic, 4 mm long.

PINGTUNG: Lilungshan, Su 7842; Leou 3616. TAITUNG: Hshinanshan, Su 7737; Leou 3178.

Endemic, broad-leaved forests at low elevations in the southern part.