Eryngium duriaei, Gay ex Boiss.

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1981, Flora Europaea. Volume 2. Rosaceae to Umbelliferae, Cambridge University Press : 322

5. E. duriaei Gay ex Boiss. , Voy. Bot. Midi Esp. 2: 237 (1839)

( E. duriaeanum Gay ).

Monocarpic, living 3-4 years; stems 30-150 cm, erect. Basal leaves 10-45 x 2-5-7 cm, persistent, coriaceous, linear-oblanceolate to linear-spathulate, with large, patent, spinescent teeth; lamina decurrent on petiole. Inflorescence bluish, with up to 10 pedunculate, cylindrical capitula 4-10 x 1-5-2 cm. Bracts 1-5-5 cm, 7-12, linear-lanceolate, with l(-3) pairs of teeth; bracteoles 3-cuspidate or entire. Sepals c. 5 mm, lanceolate, aristate. Fruit densely scaly. Dry, rocky Quercus- woodland. • Mountains o fN. halfofIberian peninsula. Hs Lu.