Anthemis eretica, 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 : 149-150

6. A. eretica L. , Sp. Pl. 895 (1753)

(non A. eretica (L.) Nyman).

Perennial. Non-flowering shoots forming more or less dense cushions. Stems usually simple, leafy up to about the middle. Leaves 1 -pinnatisect, frequently folded along rhachis; petiole of the leaf-length. Peduncles long. Involucre hemispherical, more or less persistently lanate. Receptacle hemispherical or shortly ovoid; scales oblong, about equalling the florets. Achenes obpyramidal to turbinate, sometimes slightly ribbed, mainly on inner face, smooth or granulate, with acute rim or a very short corona. Mountains of S. Europe; W. Czechoslovakia. Al Bu Cz Ga Gr?Hs It Ju Rm?Si Tu.

Very polymorphic. Further subspecies, in addition to the following, should perhaps be recognized.

1 Involucre strongly umbonate; involucral bracts with hyaline margin and apex; ligules usually absent; achenes c. 2-25 mm

(d) subsp. alpina

1 Involucre not or slightly umbonate; involucral bracts usually with brown margin and apex; ligules present or absent

2 Achenes 1-25-1-75 mm; stems sometimes branched; leafsegments somewhat distant and patent (c) subsp. saxatilis 2 Achenes at least 1-5 mm; stems simple; leaf-segments crowded and ascending

3 Capitula 25-45 mm in diameter; ligules present; disc 10-15

mm in diameter; achenes 1-75-2-5 mm (a) subsp. eretica 3 Capitula up to 23 mm in diameter; ligules present or absent;

disc 7—11 mm in diameter; achenes 1-5-1-75 mm

(b) subsp. calabrica