Resumen

SOUSA S., Mario. New species of Lonchocarpus (Millettieae: Leguminosae) from Costa Rica and Panama: lectotypification of sect. Densiflori Benth. Rev. Mex. Biodiv. [online]. 2005, vol.76, n.2, pp.119-127. ISSN 2007-8706.

Four new species of Lonchocarpus (Millettieae, Papilionoideae), L. haberi, L. latisiliquus, L. megacarpus and L. monteviridis, are described and illustrated; two are endemic to Costa Rica, one to Panama and one is found in both countries. Of these new species, three belong to sect. Densiflori Benth., which is herein lectotypified; a key to the section for Costa Rica and Panama is provided.

Palabras llave : Leguminosae; Lonchocarpus; Costa Rica; Panama.