Herbs perennial, 7--15 cm tall. Roots robust. Stems solitary or sparsely clustered, erect, simple, rarely branched at base, densely villous and glandular hairy. Basal leaves oblanceolate, 5--12 × 1--2 cm, glabrous, margin long ciliate, midvein conspicuous, base attenuate into long petiole, apex acute or acuminate; cauline leaves 1 or 2 pairs, sessile, ovate-lanceolate, smaller than basal leaves. Cymes many flowered, rarely 2-or 3-flowered. Pedicel 1--2.5 cm, dense hairy with multicellular, violet glandular hairs; bracts ovate or ovate-lanceolate, 8--15 mm, herbaceous, densely glandular villous. Calyx narrowly campanulate, 1.2--1.7 cm × ca. 5 mm, densely violet glandular hairy, longitudinal veins violet; calyx teeth triangular-lanceolate, 3--4 mm, margin membranous, ciliate, apex acute. Androgynophore 1--2 mm, glabrous. Petals violet, to 2.5 cm; claws slightly exserted beyond calyx, white, cuneate-oblanceolate, 1--1.3 cm, glabrous, auricles orbicular, margin erose; limbs obovate, deeply 4-lobed to 2/3 of petals; medial lobes broadly band-shaped, sometimes emarginate at apex; lateral lobes linear, small; coronal scales lanceolate. Stamens included; filaments glabrous. Styles included. Capsule globose. Seeds reniform, ca. 1 mm. Fl. Sep--Oct.
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