Studies on Neotropical Apocynaceae XXXII: three new species ofPrestonia(Apocynoideae, Echiteae) for South America

[摘要] Three new species ofPrestoniasubgenusPrestonia, P. cogolloi, P. premontanaandP. racemosa , from Colombia, Venezuela and Peru, respectively, are described and illustrated, and their relationships with related taxa discussed, including distribution, phenology, additional specimens examined and a key of the group.

[学科分类] 植物学

[关键词] Apocynaceae;Apocynoideae;Echiteae;Prestonia;South America