Herbs (10-)30-100 cm tall, annual or short-lived perennial. Stem erect, branched especially in apical portion, leafy; branches spreading-erect, ± densely covered with whitish 2-hooked hairs. Basal leaves narrowly oblong-elliptic to lanceolate, 8-12 × 1.5-2 cm, both surfaces with whitish rigid 2-hooked hairs, basally attenuate into a winged petiole-like portion, margin entire or sinuate-dentate, apex acuminate. Lower stem leaves sessile, otherwise similar to basal leaves; middle and upper stem leaves linear-lanceolate, margin ± entire. Synflorescence sparsely corymbiform, with few to some capitula. Involucre cylindric to narrowly campanulate, 1-1.5 cm. Phyllaries dark green, arachnoid hairy and with whitish rigid 2-hooked hairs; outer phyllaries small; inner phyllaries linear-lanceolate, margin membranous. Florets yellow. Achene fusiform, 5-6(-7) mm, apex contracted into a ca. 0.3 mm cuspis. Pappus ca. 6 mm, caducous. Fl. and fr. Jun-Sep. 2n = 10.
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