Plants terrestrial, 10-16 cm tall. Rhizome slender, few noded. Stem erect, 4-6 cm, 5-or 6-leaved. Leaves widely spaced along stem, abaxially reddish purple, adaxially deep green with a white band along midvein, ovate, 1.5-2.5 × 1.2-2 cm, base rounded, apex acute; petiole-like base and tubular sheath 0.8-1 cm. Peduncle purple, 3-5 cm, glabrous, with 1 or 2 sterile bracts; rachis 3-5.5 cm, subdensely 10-or more flowered, secund; floral bracts pink, lanceolate, 9-12 mm, apex acuminate. Flowers opening weakly, pinkish white, medium-sized; pedicel and ovary cylindric-fusiform, 8-9 mm, glabrous. Sepals white at base, tinged pink toward apex, glabrous, 3-veined; dorsal sepal oblong-lanceolate, ca. 8 × 3 mm, concave, apex obtuse; lateral sepals ovate, oblique, ca. 8 × 4 mm, apex acuminate. Petals white, oblanceolate, slightly falcate, oblique, ca. 8 × 2.5 mm, 3-veined, apex obtuse; lip white, broadly ovate-lanceolate, ca. 8.5 × 5 mm, 7-veined; hypochile concave-saccate, inside papillose; epichile oblong-lanceolate, ca. 4.5 mm, with 2 longitudinal lamellae, apex subacute, slightly recurved. Column ca. 1 mm; anther ovoid-lanceolate, apex acuminate; rostellum ca. 4 mm, remnant deeply bifid. Fl. Jul-Sep.
Home