FIGURE 1. A in Dahlia mixtecana (Asteraceae, Coreopsideae), a striking new species from Oaxaca, Mexico

FIGURE 1. A sample of the floral diversity of the genus Dahlia in Oaxaca, Mexico. A. D. apiculata (Sherff) P.D. Sørensen. B. D. australis (Sherff) P.D. Sørensen. C. D. calzadana Villaseñor & Redonda-Mart. D. D. campanulata Saar, P.D. SØrensen & Hjert. E–F. D. coccinea Cav. G. D. imperialis Roezl ex Ortgies. H. D. macdougallii Sherff. I. D. pteropoda Sherff. J. D. sorensenii H.V. Hansen & Hjert. K. D. tenuicaulis P.D. Sørensen. L. D. tenuis B.L. Rob. & Greenm. Photographs: Aarón Rodríguez (E, K–L), Arturo Castro-Castro (J) and Jerónimo Reyes Santiago (A–D, F–I).