Linaria triphylla, (L.) Miller

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 : 230

14. L. triphylla (L.) Miller , Gard. Diet. ed. 8, no. 2 (1768).

Glabrous, somewhat glaucous annual; stems 10-45(-65) cm, usually single, erect, simple or branched above, stout. Leaves 15-35 x 10-25 mm, elliptical or obovate, truncate or semiamplexicaul at base, mostly verticillate but some opposite or alternate. Racemes rather dense, greatly elongating in fruit; flowers subsessile. Calyx 9-12 mm; lobes ovate to lanceolate, obtuse to acute, unequal. Corolla 20-30 mm, white (rarely pale yellow or violet) with orange palate and violet spur; spur 8-11 mm. Capsule c. 8 mm. Seeds c. 1 -5 mm, tetrahedral, strongly ruminate-alveolate, greyish-brown, with acute angles. Cultivated ground. Mediterranean region. BI Co Cr Ga Gr Hs It Ju Sa Si.