Herbs perennial, lacking basal bud scales at anthesis. Leaves dimorphic. Outer leaves oblong-spatulate, tapering to base, 3--6 X 1--2.5 cm. Petiole of inner leaves narrowly winged, usually 2--3 X as long as leaf blade; leaf blade oblong to broadly ovate, 2--7 X 1--6 cm, abaxially ± minutely glandular along veins, adaxially nearly glabrous, base truncate to shallowly cordate, margin irregularly coarse dentate, apex subrounded. Scapes ca. 4 cm at anthesis, to ca. as long as leaves in fruit; umbel solitary, 2-to many flowered; bracts linear-lanceolate, 5--10 mm. Pedicel 1.5--4 cm. Flowers heterostylous. Calyx broadly campanulate, 8--10 mm, sparsely glandular, parted to middle; lobes ovate-triangular, apex acuminate-subulate. Corolla pink; tube ca. 1.4 cm; limb 2.5--3 cm wide; lobes broadly obovate, apex dentate. Pin flowers: stamens at middle of corolla tube; style ca. as long as tube. Thrum flowers with positions reciprocal. Capsule subglobose, shorter than calyx, disintegrating at maturity. Fl. May. 2n = 22.
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