DELPRETE, P. G. Monograph of tribe Sipaneeae (Rubiaceae, Ixoroideae). A Neotropical group with its center of diversity on the Guiana Shield. Webbia, [S. l.], v. 77, n. 1, p. 1–284, 2022. DOI: 10.36253/jopt-13963. Disponível em: https://oaj.fupress.net/index.php/webbia/article/view/13963. Acesso em: 18 apr. 2024.