*Gamochaeta coarctata (Willd.) Kerguelen

Leaves with distinctly paler usually furrowed midrib on the upper surface, oblanceolate to spathulate, up to 7 cm long and 15 mm wide. Heads in axillary clusters in a dense spike-like panicle. Involucre 2–3 mm diam.; bracts scarious towards the top purplish. Annual or short-lived perennial herb up to 50 cm high. Widespread. Weed of cultivation and waste places. Introd. from America. Fl. summer. Purple Cudweed