Eight new species of Ixora (Ixoreae - Rubiaceae) from Madagascar

Background and aims – Ixora L. is one of the largest genera of the Rubiaceae, and badly known taxonomically. New species are described as a precursor to the author's revision of Ixora in Madagascar. Methods – Methods follow normal practice of herbarium taxonomy. Key results – Eight new Ixora species from Madagascar are recognized. Detailed descriptions, illustrations and distribution maps are provided for each species