A new, nickel-hyperaccumulating species of Rinorea (Violaceae), Rinorea niccolifera Fernando, from Luzon Island, Philippines, is described and illustrated. This species is most similar to the widespread Rinorea bengalensis by its fasciculate inflorescences and smooth subglobose fruits with 3 seeds, but it differs by its glabrous ovary with shorter style (5 mm long), the summit of the staminal t...

ETHNOPHARMACOLOGICAL RELEVANCE People living in the tropical rain forest of South-Western Nigeria use Rinorea dentata (P. Beauv.) Kuntze (Violaceae) in ethno-veterinary medicine to facilitate parturition. There are no evidence-based pharmacological investigations for the uterotonic activity of this plant. AIMS OF STUDY (i) Collection of data about the ethnopharmacological uses of R. dentata a...

cyclotides are small disulfide-rich proteins that have the unusual feature of a cyclic backbone. cyclotides have a range of interesting biological activities and are found in a variety of tropical plants from the rubiaceae, violaceae, cucurbitaceae and fabaceae families. we have cloned and characterized cyclotides in viola modesta, a viola species native to western asia, which was collected fro...