Herbs perennial. Rhizomes with several fleshy roots. Leaves forming a rosette; petiole winged, ca. as long as leaf blade, with white multicellular hairs; leaf blade elliptic to oblong-oblanceolate, 5--10 X 1.5--5 cm, membranous when dry, abaxially sparsely pilose along midvein, adaxially glabrous, base attenuate, irregularly pinnate lobulate, apex subrounded; lobules oblong, 6--13 mm, lobed again or with 1 or 2 pairs of obtuse teeth. Scapes 10--35 cm, pubescent; racemes solitary, lax, 2--13-flowered; bracts leaflike, oblong to oblanceolate, 5--10 mm. Pedicel 1--4 mm. Flowers heterostylous. Calyx campanulate, 4--6 mm, parted nearly to base; lobes ovate-lanceolate to linear, herbaceous, apex obtuse, sometimes denticulate. Corolla lilac; tube 1.2--1.3 cm; limb 1--2 cm wide; lobes obovate, deeply emarginate. Pin flowers: stamens ca. 5 mm above base of corolla tube; style ca. as long as tube. Thrum flowers: stamens ca. 9 mm above base of corolla tube; style 2--2.5 mm. Capsule globose, shorter than calyx. Fl. Jul, fr. Aug.
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