Herbs perennial, with short rhizomes and withered leaves at base. Leaves forming a rosette; petiole narrowly winged, nearly as long as leaf blade, not enveloped at base; leaf blade oblanceolate to spatulate, 20--25 X 5--10 mm, glandular puberulous, base attenuate, margin denticulate, apex rounded. Scapes 7--10 cm, glandular; umbels 2--6-flowered; bracts linear-lanceolate to subulate, to 5 mm. Pedicel 3--7 mm, glandular. Flowers heterostylous. Calyx tubular, 7--9 mm, glandular puberulous, parted slightly below middle; lobes narrowly ovate to lanceolate. Corolla yellow; tube 1.1--1.2 cm; limb ca. 1.5 cm wide; lobes elliptic to suborbicular, margin entire. Pin flowers: stamens ca. 4 mm above base of corolla tube; style ca. as long as calyx. Thrum flowers: stamens slightly above middle of corolla tube; style ca. 1/3 as long as tube. Capsule cylindric, ca. as long as to slightly longer than calyx. Fl. Jun-Jul.
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