Fig. 1.

Representatives of Linaria sect. Versicolores. Subsect. Versicolores: (A) L. algarviana; (B) L. bipartita; (C) L. clementei; (D) L. gharbensis; (E) L. incarnata; (F) L. maroccana; (G) L. multicaulis subsp. heterophylla; (H) L. onubensis; (I) L. pedunculata; (J) L. salzmannii; (K) L. spartea; (L) L. tenuis; (M) L. viscosa subsp. spicata; (N) L. viscosa subsp. viscosa; (O) L. weilleri. Subsect. Elegantes: (P) L. elegans; (Q) L. nigricans. Floral morphological types (see Fig. 4): Type I (broad tube, variable spur: A, D, F, G, I–O); Type II (broad tube, very short spur: C); Type III (narrow tube, variable spur: B, E, H, P, Q). Photographs by A. Fernández-Mazuecos (A, E), J. Quiles (B, F, K, N, O), J. Ramírez (C, I, J, M), J.L. Blanco-Pastor (D), E. Rico (G), P. Vargas (H, P, Q) and O. Fragman-Sapir (L).