Background – This contribution is part of an ongoing study on the taxonomy and phylogenetic relationships Malagasy representatives tribe Pavetteae (Rubiaceae).Material methods Taxonomic follow normal practice herbarium taxonomy. A molecular using plastid markers rps16, trnT-F, petD, accD-psa1, nuclear ribosomal marker ITS MADS-box gene PI was executed.Key results Five new species are described ...