Cornejo, Xavier. “The Pentagonia Chocoensis and P. Imparipinnata (Rubiaceae, Condamineeae): Two New Species from Colombia, and the First Record of Compound Leaves for the Rubiaceae Family”. Revista Científica Ciencias Naturales Y Ambientales, vol. 8, no. 1, July 2014, p. 8, doi:10.53591/cna.v8i1.223.