Papaver rupifragum, Boiss. & Reuter

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1964, Flora Europaea - Volume 1. Lycopodiaceae to Platanaceae, Cambridge University Press : 249

15. P. rupifragum Boiss. & Reuter , Pugillus 6 (1852).

Ascending, many-stemmed, subglabrous perennial up to 50 cm. Leaves pinnatisect, sparsely hispid on midrib and petiole, mostly basal, with persistent bases; segments irregular, oblong or lanceolate, aristate. Pedicel sparsely hispid or subglabrous. Petals 20- 25 mm, brick-red. Filaments subulate. Capsule c. 2-5 cm, oblong-clavate, faintly ribbed. Stigmatic disc pyramidal; rays 8. Crevices in mountain rocks. • S. Spain (near Grazalema). Hs.

P. atlanticum (Ball) Cosson , III. Fl. Atl. 1: 11 (1882), from Morocco, with dull orange petals 25-40 mm, and narrowly davate capsule, and P. lateritium C. Koch , Ind. Sem. Hort. Berol. 14 (1854), from Armenia, with brick-red petals of similar size and obovoid-clavate capsule, are both recorded as locally naturalized in Britain.