MAJÍN-LADINO, A. F.; PAZ-LÓPEZ, C.; JARAMILLO, M. A. A new species of Pentagonia (Rubiaceae, Dialypetalantheae) from Santander, Colombia, with an identification key to the Colombian species. Webbia, [S. l.], 2026. DOI: 10.36253/jopt-20601. Disponível em: https://oaj.fupress.net/index.php/webbia/article/view/20601. Acesso em: 25 aug. 2026.