Description from Flora of China
Plants 40-45 cm tall. Stem terete, with 3 tubular sheaths at base, 3 or 4 leaves near base, and 6-8 bractlike leaves above. Leaf blade narrowly oblong, narrowly elliptic, or narrowly spatulate, 9-15 × 2-2.5 cm, papery, base attenuate into amplexicaul sheath, apex acuminate or acute. Raceme loosely 15-30-flowered, 10-18 cm; floral bracts lanceolate, much shorter than ovary, apex aristate; ovary twisted, cylindric-fusiform, glabrous, including pedicel ca. 15 mm. Flowers pinkish white. Dorsal sepal forming a hood with petals, erect, oblong-ovate, concave, ca. 4 × 2.5 mm, 3-veined, apex obtuse; lateral sepals reflexed, oblique, narrowly ovate, ca. 4.5 × 2 mm, 2-veined, apex obtuse. Petals obliquely oblong-ovate, ca. 4 × 1.7 mm, with 1 vein, apex obtuse; lip deeply 3-lobed above base; lateral lobes divergent, pendulous, filiform, 9-10 mm; mid-lobe narrowly ligulate, 4-5 × ca. 1 mm; spur pendulous, curved, ca. 21 mm, much longer than ovary, slender, slightly dilated toward end; connective very narrow; pollinia inversely pear-shaped; caudicles long; viscidia ovate-elliptic. Fl. Oct.
● Forests; ca. 1200 m. SW Yunnan.