Annual or biennial herb, 35–150 cm tall. Stem erect, branched, striate, densely pilose or hirsute. Leaves linear or narrowly lanceolate, usually entire or serrate, acute, sessile or basally attenuate or petiolate, 2–10 cm long, 0.2–0.4 cm wide. Capitula numerous in racemes or panicles, 6–15 mm across, peduncle 8–15 mm long. Receptacle epaleate. Involucre urceolate–semihemispheric. Phyllaries 2–seriate, linear–lanceolate, acuminate, dorsally densely hairy, acute, marginaly scarious, ca 4 mm long, ca 0.5 mm wide, inner ones slightly smaller and thinner. Ray florets female, whitish, numerous, 3.5–4 mm long, apically 3–4 denticulate. Disc florets bisexual, yellow, few, tubular, ca 3.5 mm long, without distinct limb, 3–4 denticulate at the apex. Cypselas oblong–oblanceolate, sparsely hairy, ca 1 mm long. Pappus uniseriate, bristles barbellate, brownish–reddish, ca 3 mm long.