Annual to perennial, 17–120 cm high, usually branched. Anchor hairs mainly 2-hooked. Peduncles 1–7 cm long; peduncular bracts 0–2, clearly separate from involucral bracts. Capitula 1 to > 30, c. 8–14 mm long and 6–10 mm wide at anthesis, c. 9–16 mm long and 6–15 mm wide in fruit. Involucre of c. 22–42 bracts in 2–3 outer and 2 inner rows, with outermost bracts wider and longest outer bracts only slightly narrower and shorter than inner bracts; outer involucral bracts straight, appressed, lanceolate or broadly lanceolate to broadly obovate-acute, 4.0–15.0 mm long, 1.5–3.0 mm wide; margin glabrous; midrib glabrous or with single line of hairs 0.5–0.8 mm long. Achenes including cuspis c. 7.0–7.8 mm long, cuspis c. 1.1–2.6 mm long, c. 1/5–1/3 of total achene length.
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