形态特征：Herbs up to 40 cm tall, perennial, caespitose. Caudex usually branched, apically covered with remains of petioles. Stems usually numerous, simple, whitish, erect, sparsely tomentose. Rosette leaves long petiolate, chartaceous; petiole to 5 cm long; lower leaves lanceolate, 10–15 × 1–1.5 cm, margin sinuate-dentate to shallowly pinnately lobed, lobe margin usually entire, rarely with 3–4 small teeth, adaxially greyish green and white tomentose, abaxially densely white tomentose, base attenuate, apex acuminate. Capitula solitary, terminal on stem. Involucre campanulate, 1.5–2.5 cm in diameter. Phyllaries in 4–5 rows, purplish brown, pubescent, apex acuminate, usually reflexed; outer phyllaries triangular-lanceolate, 13–14 × 3–4 mm; middle phyllaries ovate-elliptic, 13–15 × 2.5–3.5 mm; inner phyllaries linear, 15–16 × 1.2–1.5 mm. Receptacle bristles subulate, 4–8 mm, greyish white. Corolla blue purplish, 1.7–1.9 cm long, tube 8–9 mm long, limb ca. 7 mm long, lobes ca. 4 mm long. Anther ca. 7 mm long, tails lanate, ca. 1.5 mm long. Achene brown, cylindric, 5–5.3 mm long, ribbed, glabrous, apex shortly crowned. Pappus pale brown; outer bristles 4–6 mm long, scabrid; inner bristles 1.2–1.3 cm long, plumose.
