The pantropical genus Ixora is one of the largest genera in Rubiaceae, with approximately 530 species. Tosh et al. conduct phylogenetic analyses based on four plastid and two nuclear ribosomal markers to infer the...
Paederia is a pantropical genus of 31 species of woody lianas from the family Rubiaceae, with high species’ diversity in both tropical continental Asia and Africa and only two species in the tropical Americas. Nie et al...
In addition to the two species cultivated for coffee, Coffea arabica and C. canephora, the genus has a further 123 wild species, of which 112 are native to Africa and the Indian Ocean islands. Razafinarivo et al. assess...