Comparison of abaxial surface, veins, and trichomes of A V. calophylla B V. excisa C V. obovata and D V. peruviana A from J. E. L. S. Ribeiro et al. 1138, MO B from A. [H.] Gentry & C. Díaz 58536, MO C from R. Rueda & J. Ruíz 621, MO D from C. A. Grández & A. Chiquispama 1065, MO. Scale bars: 1 cm.