Herbs perennial, 20--50 cm, densely pubescent throughout, erect, simple, apically glandular hairy. Basal leaves obovate-lanceolate, 5--7 × 1.3--1.8 cm, both surfaces villous, margin ciliate, 3-veined basally, midvein conspicuous, pubescent at veins, base attenuate into petiole, apex acute; distal leaves ovate-lanceolate, smaller, base nearly rounded, apex acuminate. Flowers in an irregular thyrsoid, most cymules shortly stalked, usually 3-flowered, densely glandular villous. Pedicel 5--10(--20) mm, slender, glandular hairy; bracts ovate-lanceolate, herbaceous. Calyx campanulate, ca. 15 × 6 mm; longitudinal veins violet, glandular hairy; calyx teeth ovate, 3--5 mm, margin membranous, ciliate, apex obtuse. Androgynophore 2--3 mm, shortly hairy. Petals lilac, 2--2.5 cm; claws slightly exserted beyond calyx, narrowly cuneate, ciliate at base, auricles broad; limbs nearly orbicular, 4--6 mm, deeply 4-lobed; medial lobes narrowly band-shaped, with 2 or 3 obscure teeth; lateral lobes nearly linear, small; coronal scales nearly square. Stamens included; filaments glabrous. Styles included. Capsule not seen. Fl. Aug.
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