Leucanthemopsis radicans, (Cav.) Heywood

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 : 173

4. L. radicans (Cav.) Heywood , op. cit. 185 (1975)

( Pyrethrum hispanicum var. pinnatifidum Willk. pro parte, P. radicans Con. , Tanacetum radicans (Cav.) Schultz Bip. ).

Densely caespitose, procumbent, with numerous runners, greyish- to greenish-sericeous or tomentose. Stems ascending, with few cauline leaves at the base. Basal and lower cauline leaves pinnatipartite with 5-9 approximate, oblong-linear, acute lobes. Capitula 1 -5-2 cm in diameter. Outer involucral bracts ovate, acute, subglabrous, ciliate, with a wide reddish-brown scarious margin. Ligules yellow, becoming orange-red after anthesis. Achenes with 3-6 ribs. Pappus a corona. 2« = 18. Schistose screes above 2500 m. • S'. Spain (Sierra Nevada). Hs.

A disjunct population comprising plants more or less identical with those from Sierra Nevada and plants somewhat transitional to 2 or 5 occurs on calcareous mountains of E.C. Spain ( Serrania de Cuenca ).