Stems erect, 2-5 dm, finely and densely hirtellous. Leaves simple. Leaf blade elliptic-lanceolate to narrowly ovate, unlobed, (2-)4-8 × 1.5-3.5(-4.5) cm, thin, not conspicuously reticulate; surfaces abaxially sparsely (rarely more densely) villous on veins, not glaucous. Inflorescences terminal, flowers solitary; bracts absent. Flowers urn-shaped; sepals pale purple, often suffused with green abaxially, lanceolate, 1.4-2.5 cm, margins not expanded, thin, not crispate, puberulent, tips obtuse to acute, spreading to recurved, abaxially nearly glabrous to minutely puberulent. Achenes: bodies short-pilose; beak coppery brown, 2-3.5(-4) cm, plumose. 2 n = 16.
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