Herbs perennial, with overlapping small membranous basal bud scales. Petiole nearly obsolete; leaf blade obovate to obovate-oblong, 4.5--10 X 2.5--5.2 cm, tapering to base, subleathery, abaxially densely white farinose, adaxially bullate, white farinose or glandular, margin dentate-lobulate, apex rounded; veins distinctly raised and alveolate abaxially. Scapes 9--12 cm, ± glandular; umbel solitary, 5--9-flowered; bracts lanceolate, 6--9 mm. Pedicel 1--1.5 cm, sparsely glandular. Flowers heterostylous. Calyx campanulate, 0.9--1.1 cm, sparsely glandular, parted to ca. 1/3; lobes ovate to ovate-oblong, margin 3-toothed at apex; veins 3, distinct. Corolla purple; tube nearly ca. as long as calyx; limb ca. 2 cm wide; lobes obovate, apex 2-cleft. Pin flowers: stamens near middle of corolla tube; style ca. as long as tube. Capsule discoid, disintegrating at maturity. Fl. May.
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