Herbs perennial. Leaves forming a rosette; petiole nearly as long as to 3 X as long as leaf blade; leaf blade ovate to elliptic or spatulate, 6--30 X 2--16 mm, glabrous, base cuneate to subrounded, margin usually entire, apex obtuse to rounded. Scapes variable, sometimes hidden among leaves, shorter than pedicel to 13 cm and longer than leaves and pedicel; umbels (1-or)2--10-flowered; bracts narrowly oblong to lanceolate, 4--10 mm, prolonged below into blunt 1--1.5 mm long auricles, apex obtuse to acute. Pedicel 2--8 cm. Flowers heterostylous. Calyx tubular-campanulate, 3--5 mm, parted to middle or above, distinctly 5-ribbed; lobes lanceolate to subtriangular, margin glabrous, apex acute. Corolla pinkish purple or lilac; tube 4.5--7 mm, slightly longer than calyx; limb 7--10 cm wide; lobes broadly obovate, deeply emarginate. Pin flowers: stamens at middle of corolla tube; style exserted. Thrum flowers with positions reciprocal. Capsule cylindric, slightly longer than calyx. 2n = 20.
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