Caudex carrot-shaped, 2--3.4 cm, ca. 4.5 mm in diam. Stem 40--45 cm, simple, basally glabrous, apically sparsely retrorse and appressed pubescent, with 6 or 7 leaves equally arranged along stem. Most proximal cauline leaves withered at anthesis, middle ones slightly long petiolate; petiole 2--5 cm; leaf blade orbicular-pentagonal, 4.2--5.5 × 6.5--9 cm, abaxially glabrous, adaxially sparsely appressed pubescent, 3-sect; central segment broadly rhombic or rhombic, apex acuminate, pinnately parted; lateral segments 2-or 3-parted nearly to base. Inflorescence 3--7 cm, 5-flowered; rachis and pedicels densely retrorse and appressed pubescent; bracts leaflike. Pedicels 0.6--2.4 cm, distally with 2 bracteoles; bracteoles linear, 5--8.5 × 0.6--1 mm, glabrous. Sepals pale green, abaxially glabrous; lower sepals ca. 1 cm; lateral sepals ca. 1 cm, apex slightly sharp; upper sepal navicular, ca. 5.5 mm wide, ca. 1.4 cm from base to beak, lower margin slightly concave. Petals ca. 6 mm, glabrous; claw ca. 4.6 mm, apex geniculate; lip ca. 2 mm; spur semiglobose, short. Stamens glabrous; filaments entire. Carpels 3, glabrous. Fl. Jul.
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