Herbs perennial. Leaves forming a rosette; petiole nearly obsolete to occasionally 1/2 as long as leaf blade; leaf blade broadly obovate to broadly oblanceolate, 3--12 X 1.5--4 cm, with multicellular white hairs, base short cuneate-attenuate, margin entire to obscurely repand-crenulate, apex rounded to obtuse. Scapes 5--40 cm, subglabrous, minutely glandular; inflorescences spicate, 0.8--2 cm, elongating to 4 cm in fruit, many flowered; bracts ovate, abaxially sparsely glandular. Flowers heterostylous. Calyx cup-shaped, 3--4 mm, parted to middle; lobes ovate, glandular outside, apex acute or subrounded and apiculate. Corolla deep bluish purple, glandular outside; tube 8--11 mm; limb 7--10 mm wide; lobes ovate to oblong, ca. 3 mm wide, obscurely emarginate to nearly entire. Pin flowers: stamens near base of corolla tube; style ca. as long as tube. Thrum flowers with positions reciprocal. Capsule subglobose, ca. 2.8 mm in diam. Fl. Jul. 2n = 20@, 20 + 3f@.