Herbs perennial. Leaves forming a rosette; petiole usually inconspicuous, rarely ca. 1/2 as long as leaf blade; leaf blade obovate-oblong to oblanceolate, 1.5--5(--7) X 0.5--1.5(--2.5) cm, abaxially densely to very sparsely yellow or white farinose, rarely efarinose, adaxially efarinose, base attenuate, margin denticulate, rarely to nearly entire, apex rounded to obtuse. Scapes (3--)5--20 cm, elongating to 35 cm in fruit, farinose toward apex or efarinose; umbels 3--12-flowered; bracts strongly reflexed after anthesis, linear to linear-lanceolate, 3--11 mm, base slightly gibbous. Pedicel 1.5--3 mm, elongating to 1.5 cm in fruit, farinose or efarinose. Flowers heterostylous. Calyx campanulate, 6--8(--10) mm, efarinose or scarcely farinose outside, usually farinose inside, parted to middle, 5-ribbed; lobes often tinged with purple, oblong to lanceolate. Corolla violet, rarely white; tube nearly as long as calyx; limb 0.8--1.5 cm wide; lobes obovate, deeply emarginate. Pin flowers: stamens in lower 1/2 of corolla tube; style ca. 2/3 as long as tube. Thrum flowers with positions reciprocal. Capsule oblong, slightly longer than calyx. Fl. May-Jun. 2n = 18, 44.
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