Annuals. Stems 35-100 cm tall, shortly appressed pilose. Median cauline leaves with winged petiole, blade ovate-deltate, 5-13 × 3.5-11 cm, irregularly toothed, upper surface shortly appressed pubescent; upper leaves sessile, oblong; uppermost leaves linear. Capitula radiate, ca. 12 mm wide; peduncle 1-3 cm, densely shortly pubescent; phyllaries spatulate, densely glandular pilose. Ray limb 1.5-2.5 mm, 3-toothed, tube 0.5-1 mm, pilose; disk corolla ca. 1.5 mm, 3-toothed, tube ca. 0.5 mm, densely pilose. Achenes ca. 2 mm. Fl. Apr-Sep, fr. Jun-Sep. 2n = 30.
Roadsides, fields, thickets; at elevations from 300-2,500 metres.
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