Anthemis cotula L., it is an annual herb up to10-50 (-70) cm, foetid, erect or-ascending, thinly papescent or glabrescent, much branched. Leaves (1.5-) 2-5 (-6.5) x 0.5-3 cm, 2-3 pinnatisect, ovate to ovate-oblong in outline; lobes linear-oblanceolate, sparsely hairy, acuto-mucronate; mucro hyaline. Capitula radiate sometimes discoid. solitary. Peduncles not thickened in fruit, slender, up to 15 cm long. Receptacle elongated conical, without palea in the lower-half. Involucre hemispherical; involucral bracts few rowed, ovate-oblong, obtuse or subacute, with white pubescences, margins scarious, pale brown. Palea linear subulate, shorter or ± equalling the length of pubular florets. Marginal florets usually up to 12, sterile, ligulatc; ligules white, 5-7.5 (-14) mm. Central florets tubular; corolla 2.5-3.5 mm, sometime slightly inflated at base. Cypsela readily deciduous at maturity from the receptacle, (1-) 1.5 (-1.8) mm, turbinate, obscurely ribbed; ribs 8-11, tuberculate; pappus absent.
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