Herbs perennial. Leaves forming a rosette; petiole narrowly winged, ca. as long as to slightly shorter than leaf blade; leaf blade elliptic to oblong or spatulate, 2--7(--10) X 1--2(--3) cm, sparsely pilose, base attenuate, margin crenate-serrate to coarsely dentate or incised-lobulate, apex rounded; lobules suboblong, with 1 or 2 teeth on each side. Scapes (5--)10--25 cm, glabrous or nearly so, pale yellow farinose toward apex. Inflorescences spicate or subcapitate, usually many flowered. Flowers heterostylous. Calyx often tinged with purple, cup-shaped, 4--5 mm, scarcely farinose, parted below middle; lobes unequal, ovate to oblong, apex obtuse to apiculate; posterior lobe often slightly emarginate. Corolla blue-purple; tube 7--8 mm; limb slightly spreading, 5--10 mm wide; lobes short oblong or subrotund, margin entire to obscurely crenate, apex rounded. Pin flowers: stamens ca. 2 mm above base of corolla tube; style ca. as long as tube. Thrum flowers with positions reciprocal. Capsule subglobose, nearly as long as calyx. Fl. Jul-Aug. 2n = 20, 40.
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