Anthemis cotula
L. Stinking MayweedMuch-branched, malodorous annual to 60 cm high; stems striate, sparsely hirsute to glabrescent. Leaves sessile, ovate to obovate in outline, 1.5–6.5 cm long, 1–2.5 cm wide, 2 or 3 times pinnatisect, dull green, sparsely hirsute to glabrescent, ultimate segments narrow-linear. Capitula 1.2–3 cm diam., solitary or in loose leafy corymbs; peduncles 6–15 cm long; involucral bracts narrow-lanceolate, 3–4 mm long, glabrous to cobwebbed; receptacle-scales subulate, bristle-like, mostly in centre of receptacle, shorter than or as long as disc florets. Ray florets 11–15, sterile, ligules elliptic, 6–12 mm long, white; disc florets numerous, c. 3 mm long, white to cream. Cypselas c. 1.5 mm long, c. 10-ribbed, finely tuberculate; pappus absent. Flowers Oct.–Apr.
MuM, VVP, VRiv, GipP, OtP, Gold, CVU, NIS, EGL, HSF, HNF, Strz, VAlp. Also naturalised WA, SA, Qld, NSW, Tas. Native to Europe. An occasional weed of pasture and wasteland.
Jeanes, J.A. (1999). Asteraceae. In: Walsh, N.G.; Entwisle, T.J., Flora of Victoria Vol. 4, Cornaceae to Asteraceae, pp. 652–666. Inkata Press, Melbourne.