Plants glabrous throughout. Caudex ± fusiform, ca. 3.5 cm. Stem 23--33 cm, basally sparsely leaved, apically leaves crowded. Distal leaves shortly petiolate; petiole 2--10 mm, base sheathed; leaf blade orbicular-pentagonal, 2--3 × 2.3--5 cm, 3-sect; segments dissected, ultimate lobes linear, 1--2 mm wide. Inflorescence terminal, 4--6 cm, densely flowered; bracts leaflike. Pedicels to 9 mm, distally with 2 bracteoles; bracteoles narrowly linear. Sepals yellow; lateral sepals oblong or oblong-lanceolate, 1.5--1.6 cm; upper sepal navicular, 1.5--1.9 cm from base to beak, lower margin concave. Petals glabrous; lip ca. 5 mm, apex 2-lobed; spur obliquely incurved, globose, 0.8--1.2 mm. Stamens glabrous; filaments entire. Carpels 3. Fl. Jul--Aug.
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