Herbs perennial, with a 2--8 cm long stock formed by overlapping petioles and basal bud scales. Leaves forming a rosette; petiole broadly winged, nearly as long as leaf blade; leaf blade elliptic (outer leaves) to oblong-lanceolate or lanceolate (inner leaves), (3--)5--15 X (1--)1.5--3 cm, tapering to base, abaxially cream-white farinose, becoming efarinose, margin nearly entire to finely denticulate, usually narrowly revolute, apex obtuse to acute. Scapes 10--30(--50) cm, cream-yellow farinose near apex when young; umbels 1(or rarely 2 or 3), superimposed, 4-to many flowered; bracts lanceolate to subulate, 0.5--1.8 cm, base cuneate. Pedicel 0.5--2 cm, elongating to 7.5 cm in fruit, pale yellow farinose. Flowers heterostylous. Calyx campanulate, 7--12 mm, glandular outside, densely farinose inside, parted to middle; lobes oblong-lanceolate. Corolla bright yellow to pale yellow, rarely white; tube 1.2--1.4 cm; limb 1.8--2.5 cm wide; lobes suborbicular to oblong, margin entire. Pin flowers: stamens ca. 4.5 mm above base of corolla tube; style ca. 2/3 as long as tube. Thrum flowers with positions reciprocal. Capsule cylindric, nearly as long as to 1.5 X as long as calyx. Fl. Jun-Jul.
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