Plants slender to robust, 11-30 cm tall. Tubers palmately 3-or 4-lobed. Stem erect, cylindric, stout, hollow, with 2 or 3 tubular sheaths at base, 3-5-leaved. Leaves widely spaced, green, with fine purple spots on both surfaces, broadly lanceolate, lanceolate, or oblong-lanceolate, 6-11 × 1.5-2.5 cm, apex obtuse-acute. Rachis 3-10 cm, densely many flowered; floral bracts often tinged with pale purple and marked with purplish speckles, lanceolate, basal ones exceeding ovary, apex acuminate. Flowers not secund, purplish rose, medium-sized; ovary and pedicel 9-10 mm. Sepals purplish rose, oblong-ovate, 3-veined, apex obtuse, outer surface marked with a few dark speckles; dorsal sepal erect, concave, 5-6 × 2-2.5 mm; lateral sepals spreading to reflexed, oblique, 5.5-7 × 2-2.5 mm. Petals erect, forming a hood with dorsal sepal, purplish rose, obliquely lanceolate to oblong-ovate, 5-5.5 × ca. 2 mm, 3-veined, apex obtuse; lip broadly rhombic-ovate, 5-6 × 4.5-6 mm, base spurred, margin entire to obscurely 3-lobed near apex, margin slightly crenate, apex obtuse or sometimes apiculate, disk minutely papillose, purplish rose, marked with dark purplish dots and lines; spur pendulous, straight or slightly curved forward, conic to cylindric-conic, 4.5-6 mm, shorter than ovary, 1.5-2 mm in diam. at base, attenuate toward apex, apex obtuse. Fl. Jun-Jul.
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