Herbs perennial, lacking basal bud scales at anthesis. Leaves 2--8 X 1--3 cm; petiole nearly obsolete to occasionally ca. as long as leaf blade in inner leaves; leaf blade elliptic to obovate, glabrous, ± glandular, base attenuate, margin denticulate, apex rounded. Scapes 1--8 cm, elongating to 15 cm in fruit, sparsely minutely glandular toward apex; umbel solitary, 2--10-flowered; bracts narrowly lanceolate, 5--8 mm. Pedicel 0.5--2 cm, sparsely glandular. Flowers heterostylous. Calyx broadly campanulate, 7--8 mm, sparsely glandular, parted slightly below middle; lobes spreading, ovate to oblong-ovate, glandular ciliate, apex acute. Corolla purplish rose to deep blue-purple, exannulate, puberulous outside; limb 2--2.5 cm wide; lobes broadly obovate, emarginate; lobules entire to crenulate. Pin flowers: stamens ca. 3 mm above base of corolla tube; style ca. as long as tube. Thrum flowers with positions reciprocal. Capsule globose, included in calyx, disintegrating at maturity. Fl. Apr-Jul.
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