Stems 40--60 cm tall, sparsely pubescent, apically branched. Basal leaves several, 2-ternate; petiole 4--10 cm; leaf blade glabrous or basally sparsely pilose; lateral leaflets obliquely obovate, 2-lobed; central leaflet rhombic-obovate, 1.2--3 × 1.1--2.4 cm. Stem leaves present. Inflorescences cymose, 2--5-flowered; bracts 3-parted. Flowers ca. 2.2 cm in diam. Pedicel 6--10 cm. Sepals purple, elliptic to ovate, 1.4--1.8 × ca. 1 cm, apex acute. Petals purple, suberect, oblong, 7--8 mm, glabrous, apex truncate; spur 1.2--1.5 cm, apically coiled. Stamens 5--9 mm; anthers oblong, ca. 1 mm. Staminodes lanceolate, ca. 5 mm, pilose or glandular hairy. Pistils 5, pubescent. Follicles 1.4--1.5 cm, glabrous; persistent styles 5--6 mm. Fl. May--Jun, fr. Jun--Jul.
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