Herbs 20-70 cm tall, perennial, erect, with a taproot. Stem mostly solitary, erect, branched especially apically, hirsute with spreading rigid 2-hooked hairs, leafy. Basal and lower stem leaves narrowly elliptic to narrowly lanceolate, 6-16 × 0.5-0.8(-1.1) cm, hirsute with spreading rigid 2-hooked hairs, base attenuate, margin coarsely to shallowly sinuate-dentate, apex acuminate. Middle and upper stem leaves smaller than lower and basal stem leaves, otherwise similar, narrowly lanceolate to linear-lanceolate, base truncate, apex obtuse to acuminate. Synflorescence loosely corymbiform, with several to many capitula. Peduncle usually 3-7 cm, slender, hirsute as stem and branches. Involucre cylindric-campanulate to ovoid, 0.9-1.2 cm. Phyllaries with spreading rigid 2-hooked hairs along midrib, apex acute to acuminate; outer and inner phyllaries linear-lanceolate. Florets yellow. Achene reddish brown, fusiform, 4-5 mm, apex contracted into a ca. 0.5 mm cusp. Pappus 5-7 mm. Apr-Nov. 2n = 10*.
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