Clethra formosa (Clethraceae),una nueva especie de Costa Rica

Clethra formosa (Clethraceae), a new species endemic to high elevations of the Central and Talamanca cordilleras in Costa Rica is described. Photographs of the proposed species are included as well as a discussion of its taxonomic affinities, mainly with Clethra pyrogena Sleumer, which appears to be its nearest relative.