Annual (to perennial?), 40–140 cm high, branched. Anchor hairs mainly 2-hooked. Peduncles 1.5–11 cm long; peduncular bracts 1–3 near capitulum, clearly separate from involucral bracts. Capitula few to 20 or more, (9–) 10–11 (–12) mm long and 6–8 mm wide at anthesis, (9–) 10–11 (–12) mm long and (6–) 7–9 (–11) mm wide in fruit. Involucre of 28–36 bracts in 2 (–3) outer and 2 inner rows, with some outer bracts as wide as or wider and longest outer bracts only slightly shorter than inner bracts; outer involucral bracts straight, slightly squarrose, narrowly lanceolate to ovate, 3.0–9.4 mm long, 0.8–2.0 mm wide, acute; margin and midrib glabrous. Achenes including cuspis 3.9–5.0 mm long; cuspis 0.3–0.5 (–0.7) mm long, c. (1/16–) 1/14–1/6 of total achene length.