Plants 15-20 cm tall. Tubers cylindric, 1-4 cm × 5-15 mm, fleshy. Stem erect, terete, glabrous, with 3 or 4 rosette leaves at base and with a few bractlike leaves above. Leaf blade lanceolate-oblong, 4-6 × 1-1.5 cm, base amplexicaul, apex subacute or acuminate. Raceme laxly few to many flowered, 5-20 cm; floral bracts ovate-lanceolate, 5-14 mm, shorter to longer than ovary, apex acuminate; ovary twisted, cylindric-fusiform, including pedicel 8-10 mm, glabrous. Flowers green, small. Dorsal sepal forming a hood with petals, erect, ovate-oblong, concave, 3.2-4 × 2-2.8 mm, 3-veined, apex obtuse; lateral sepals reflexed, obliquely ovate-oblong, 3.5-4.5 × 1.8-2 mm, 3-veined, apex obtuse. Petals straight, linear-oblong, 3.2-4 × ca. 1 mm, 1-veined, apex obtuse; lip 5-9 mm, spurred at base, deeply 3-lobed above base; lateral lobes linear-lanceolate, attenuate and filiform above middle, 4.5-9 mm; mid-lobe linear, 3.2-6 mm, apex obtuse; spur pendulous, cylindric, 8-15 mm, ca. as long as or longer than ovary, slender, apical half slightly dilated; stigmas oblong-clavate, ca. 1.5 mm. Fl. Sep.
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