Three new species of Vallesia, V. sinaloensis, V. spectabilis, and V.
vaupesana, are described. In addition, a new combination, Vallesia aur
antiaca (M. Martens & Galeotti) J. F. Morales, is proposed. New synony
mies are also provided. In the process of preparing the Apocynaceae tr
eatment for the Flora Mesoamericana, the following novelties were foun
d.