Herbs perennial, efarinose, lacking basal bud scales and long overlapping stocks. Leaves forming a rosette; petiole 2--6 cm; leaf blade oblanceolate, 6--14 X 2--3 cm, tapering to base, submembranous when dry, glabrous, margin regularly denticulate, apex subrounded. Scapes 34--40 cm, sparsely puberulous near apex; umbels 2, superimposed, 2--5-flowered; bracts lanceolate, 4--7 mm. Pedicel 0.8--1.5 cm, puberulous. Flowers heterostylous. Calyx narrowly campanulate, 0.8--1.2 cm, parted to middle; lobes oblong, glabrous, apex acute. Corolla pale yellow; tube 1.3--1.4 cm; limb 2.2--2.5 cm wide; lobes broadly elliptic to subrounded, 9--8 mm, apex rounded. Pin flowers: stamens at middle of corolla tube; style nearly as long as tube. Capsule unknown. Fl. Jun.
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