Caudex carrot-shaped, ca. 1.8 cm, ca. 5 mm in diam. Stem 20--35 cm, simple or 1-branched below inflorescence, retrorse and appressed pubescent, with 4 cauline leaves equally arranged along stem. Basal leaves 2 or 3, and most proximal cauline leaves long petiolate; petiole 6--7.5 cm, nearly glabrous; leaf blade pentagonal-reniform, 2.4--2.7 × ca. 5 cm, abaxially glabrous, adaxially sparsely appressed pubescent, base cordate, 3-parted; central lobe obovate-rhombic, apically 3-sect, lobes 1-or 2-lobulate or dentate; lateral lobes obliquely flabellate, unequally 2-parted. Inflorescence 4--10 cm, 2--5-flowered; rachis and pedicels slightly spreading yellow pubescent; bracts leaflike. Pedicels 2--4.6 cm, with 2 bracteoles at middle or base, bracteoles 4--5 mm, lowermost ones 3-fid, others linear. Sepals violet, both surfaces sparsely pubescent; lateral sepals ca. 1.4 cm; upper sepal galeate, ca. 9 mm high, shortly beaked, 1.5--1.8 cm from base to beak, lower margin slightly concave; lower sepals ca. 1.2 cm. Petals ca. 2 cm, sparsely pubescent; limb ca. 7 × 2 mm; lip ca. 2.5 mm; spur incurved, ca. 2 cm, sparsely pubescent. Stamens glabrous; filaments 2-denticulate. Carpels 3, densely yellow villous. Fr. Aug.
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