Hieracium castellanum, Boiss. & Reuter

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 : 366

1. H. castellanum Boiss. & Reuter , Diagn. Pl. Nov. Hisp. 20 (1842).

Main rosette non-flowering; stolons wiry, leafy, bearing at the apex 1-3 scapes, each with a single capitulum. Leaves narrowly elliptical or linear, more or less acute, long-attenuate at base, with dense stellate hairs on both surfaces, and sparse, long, subrigid simple eglandular hairs on both surfaces and the margin. Scapes with dense stellate hairs and more or less numerous, very small glandular hairs, sometimes with few to numerous, simple eglandular hairs. Involucral bracts (8-)9-10(-ll)x 0-75-1-25 mm, linear-lanceolate, acute, with dense stellate and very short simple eglandular hairs, few to numerous, much longer simple eglandular hairs, and more or less numerous, short glandular hairs; longer simple hairs sometimes absent ( var. glandulosum Scheele ). Ligules yellow, with a red stripe on outer face. 2« =18. Mountain rocks and meadows. • Spain, N. Portugal. Hs Lu.