Chrysanthemum coronarium, L.

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1976, Flora Europaea. Volume 4. Plantaginaceae to Compositae (and Rubiaceae), Cambridge University Press : 169

2. C. coronarium L. , Sp. PI. 890 (1753).

Glabrous or slightly hairy. Stems 20-70(-80) cm, branched. Leaves oblong to obovate, mostly 2-pinnatisect with oblong or lanceolate, incisedentate segments, semi-amplexicaul. Involucre (13—)15—18(—20) mm in diameter; outer bracts ovate, with a brownish marginal band and a narrow, whitish scarious margin; inner without marginal band but with a wider scarious margin and rounded scarious apical appendage. Florets yellow, or ligules yellow at base and white distally. Inner achenes laterally compressed, with adaxial wing, prominent ribs on abaxial face and rounded super­ ficial ribs on lateral faces, sometimes the central achenes cylindrical, unwinged; outer achenes 3-angled, with the angles winged; abaxial face with 3 slender ribs; lateral faces without ribs. All achenes covered with sessile, non-mucilaginous glands. 2« = 18. Cultivated ground and waste places. Mediterranean region, C. & S. Portugal; widely cultivated for ornament and occasionally naturalized elsewhere. BI Co Cr Gr Hs It Ju Lu Sa Si Tu [Au Az Cz Ga Rm].