Stems 20--40 cm tall, glandular pubescent. Basal leaves few, 2-ternate; petiole 6--10 cm; leaf blade abaxially sparsely pubescent to subglabrous, adaxially glabrous; lateral leaflets obliquely ovate, unequally 2-lobed; central leaflet broadly obovate to flabellate, 1.5--2 × 1.5--2.8 cm, 3-parted and segments with 2 or 3 obtuse teeth. Stem leaves several. Inflorescences cymose, 2-to several flowered; bracts linear, ca. 5 mm. Flowers usually pendulous, ca. 3.5 cm in diam. Pedicel 1.8--2.5 cm. Sepals blue or bluish purple, nearly spreading, narrowly ovate, 1.4--2.1 × 0.6--1 cm. Petals yellow to yellow tinged with blue, erect, broadly obovate, 1--1.3 cm; spur 1.3--1.9 cm, straight. Stamens slightly longer than or nearly as long as petals; anthers yellow, oblong, 1--1.5 mm. Staminodes lanceolate, 6--6.5 mm. Pistils 5 or 6, white villous. Follicles 1.6--2.4 cm; persistent styles 7--10 mm. Seeds ca. 1.7 mm. Fl. Jun--Jul, fr. Jul--Aug.
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