Wahlert, G. A., L. Nusbaumer & L. Gautier (2013). Rinorea ranirisonii Nusb. & Wahlert (Violaceae): a new species from the Daraina region of northern Madagascar. Candollea 68: 87–92. In English, English and French abstracts.

Rinorea ranirisonii Nusb. & Wahlert (Violaceae), a new species from the Daraina region of northern Madagascar, is described and illustrated. This species, with opposite leaves and endemic to Madagascar, is immediately distinguished from all other species belonging to Rinorea subsect. Verticillatae Engl. by its young branches, upper and lower leaf surfaces, inflorescence axis, pedicels, sepals, and ovary covered in golden-reddish hispid indumentum. Distribution and ecology of the new species are discussed and a preliminary IUCN conservation assessment is given.