Herbs perennial. Leaves forming a rosette; petiole winged, 1--4 cm, base dilated, ± sheathing; leaf blade oblong to oblanceolate or obovate-spatulate, 3--15 X 1--3(--4) cm, tapering to base, abaxially densely minutely glandular, often white farinose when young, adaxially minutely glandular, margin erose-denticulate, apex rounded. Scapes 10--30 cm, glandular or farinose toward apex; umbel capitate, spherical; bracts lanceolate, 4--12 mm, clustered below umbel and not forming tuft at apex. Pedicel 2.5--10 mm. Flowers erect or nearly so, heterostylous. Calyx tubular-campanulate, 5--8 mm, minutely glandular, parted below middle; lobes lanceolate, apex acute. Corolla blue; tube longer than calyx 1.5--4 mm; limb 6--10 mm wide; lobes obovate, deeply 2-lobed. Pin flowers: stamens near base of corolla tube; style slightly shorter than tube. Thrum flowers with positions reciprocal. Capsule elliptic, slightly shorter than calyx. Fl. Sep. 2n = 18, 44, 44 + 1f.
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