形态特征：Perennial herbs, densely white puberulous and fimbriate; stems erect, 4–15 cm high, unbranched or rarely branched. Leaves rosulate at the stem base, 3.1–12.2 × 1.9–4.2 cm, reducing into bracts upward along the stem. Rosette leaves elliptical to obovate-oblong; surface ventrally green, dorsally light green to greenish white; leaf veins concave above with pale stripes, bulge below; margins deeply lobed and crenate to serrate irregularly; apex obtuse; base cuneate, narrowing gradually and terminated as pedicels with wings. Inflorescences in axillary racemes or solitary flowers. Flowers with robust and erect pedicels, shorter than the bracts; calyx green or light green, persistent, with expanded upper part 1.2–1.7 cm long, lobes 5, shallow, deltoid; corolla yellow, with sparse mixed glandular and eglandular trichomes on lobes, tube 3.9–4.5 cm long, with unexpanded basal portion 0.3–14.1 mm in diameter, gradually expanded above the attachment point of stamens to ca. 2.2 mm in diameter at the mouth; lobes slightly two-lipped, in ‘3+2’ arrangement, two adaxial lobes broadly rectangular rounded, 0.8 × 0.9 mm; three abaxial lobes ovate, 0.5 × 0.5 mm; stamens 4, inserted at the base of corolla tube, exserted, filaments 1.2–1.7 cm long, anthers pubescent, minutely pubescent, flattened and rectangle-rounded; ovary eglandular-efimbriae, style ca. 0.46 mm long, glabrous, stigma expanded. Capsule narrowly ovoid, 1–1.5 cm.
