Linaria latifolia, Desf.

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1972, Flora Europaea. Volume 3. Diapensiacea to Myoporaceae, Cambridge: Cambridge University Press : 233

41. L. latifolia Desf. , FI. Atl. 2: 40 (1798).

Glabrous annual; stems 35-50 cm, erect, simple, stout. Leaves up to 65 x 15 mm, oblong-lanceolate, acute, mostly in whorls of 3 but the uppermost alternate. Racemes 7-15 cm, dense; flowers subsessile; bracts 10-20 mm, linear-lanceolate, patent. Calyx 7-10 mm; segments linear-lanceolate, somewhat unequal. Corolla 30-35 mm, yellow with greenish veins; spur 12-15 mm. Capsule c. 5 mm. Seeds c. 2 mm, reniform; disc smooth or tuberculate, black; wing whitish. Cultivated ground. S. W. Spain. Hs. (A. W. Africa.)