Casearia razakamalalae (Salicaceae), a new species endemic to southeastern Madagascar

Casearia Jacq. (Salicaceae) has relatively few species in Madagascar, but its taxonomy has not yet been well resolved. A new species, C. razakamalalae Philpott & Appleq., is herein recognized. Casearia razakamalalae is notable for its papillate indument on several parts and its usually thin, pale-drying leaves on which even the smallest veinlets are clearly visible. It is endemic to humid forests of southeastern Madagascar and is found mostly within the Andohahela National Park. It is assessed as "Endangered" based on IUCN criteria.