FIGURE 4 in Dahlia tamaulipana (Asteraceae, Coreopsideae), a new species from the Sierra Madre Oriental biogeographic province in Mexico

FIGURE 4. Floral diversity of the genus Dahlia in the Sierra Madre Oriental biogeographic province and surrounding areas in Mexico. A. D. australis (Sherff) P.D. Sørensen. B–C. D. coccinea Cav. D. D. cuspidata Saar, P.D. Sørensen & Hjert. E. D. dissecta S. Watson. F. D. linearis Sherff. G. D. merckii Lehm. H. D. mollis P.D. Sørensen. I. D. neglecta Saar. J. D. scapigera (A. Dietr.) Knowles & Westc. K. D. scapigeroides Sherff. L. D. spectabilis Saar & P.D. Sørensen. M. D. tamaulipana Reyes, Islas & Art. Castro. N. D. tenuicaulis P.D. Sørensen. O. D. tubulata P.D. Sørensen. Photographs: Aarón Rodríguez (A, D–K), Arturo Castro-Castro (B–C, N, O), Arturo Mora Olivo (M) and José Arturo de Nova Vázquez (L).