Annual, 5–60 cm high, branched. Anchor hairs mainly 2-hooked. Peduncles 1–4 cm long; peduncular bracts 0–2 close to capitulum, clearly separate from involucre. Capitula few to > 20, 8–12 mm long and 5–8 mm wide at anthesis, 10–15 mm long and 7–10 mm wide in fruit. Involucre of c. 28–38 bracts in 2–3 outer and 2 inner rows, with longest outer bracts slightly to clearly shorter than inner bracts; outer involucral bracts straight, appressed, ovate to lanceolate, 2.3–10.2 mm long, 0.8–2.3 mm wide, not wider than inner bracts; margin glabrous; midrib with a single line of 3.5–7 mm long, conspicuous, slender, curled hairs. Achenes including cuspis c. 4.3–7.6 mm long; cuspis c. 0.9–2.3 mm long, c. 1/5–1/3 of total achene length.
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