Anthemis altissima, 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 : 157

53. A. altissima L. , Sp. Pl. 893 (1753)

( A. cota auct.,? an L., Cota altissima (L.) Gay ).

Robust, pubescent to nearly glabrous annual. Stem 20-120 cm, with sometimes subcorymbose branches. Leaves ovate, 2- to 3-pinnatipartite; segments patent; lobes linear, mucronate-spinulose. Capitula (20-)25-40(-50) mm in diameter; peduncles 1 -5-4 cm at anthesis, up to 7-5 cm and somewhat davate in fruit. Involucre hemispherical, finally umbonate; outer involucral bracts ovate-lanceolate, acute, without scarious margin, the inner oblong-lanceolate to elliptic-oblong, obtuse and with hyaline or brownish-scarious margin and apex. Ligules up to 20 mm. Disc up to 20 mm in diameter. Receptacle hemispherical; scales oblong-spathulate, truncate or emarginate, contracted into a rigid point as long as the scale, longer than florets. Achenes 2-2-5 mm, obpyramidal-subcompressed, very narrowly winged, (7-)8- to 10(-llustriate on each side, those of ligules triangular, those of disc quadrangular; rim acute or a very short corona. 2n= 18. Cultivated land and waste places. S. Europe', a frequent casual in C. Europe. Al Bu?Co Cr Ga Gr Hs It Ju Rs (K) Tu.