Annual herb 22–30 cm tall; stems erect or ascending, pale green, glabrous.. Leaves pale green, linear or linear-elliptic, 2.8–6 cm long, 0.2–0.4 cm wide, base attenuate, apex attenuate and obtuse, glabrous.. Capitula 3–4, lax, discoid, on slender peduncles; involucre cylindrical, 4.5–5 mm long, ± 2.5 mm in diameter; phyllaries 10–14, very pale green, 3–4 mm long, glabrous.. Disc florets magenta, style arms white, anthers purple, corolla 4.6–5.5 mm long, lobes 1.2–1.5 mm long.. Achenes 1.4 mm long, sparsely hairy; pappus 2 mm long.
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