Jello Jello (possibly from Aymara and Quechua q'illu yellow, the reduplication indicates that there is a group or a complex of something, "a complex of yellow", q'illu q'illu a plant (Berberis bumaelifolia), Susana Arrázola Rivero, Margoth Atahuachi, Edwin Saravia, Alvaro Lopez, Diversidad floristica medicinal y potencial etnofarmacológico de las plantas de los valles secos de Cochabamba - Bolivia (in Spanish), p. 70 - 76: List of plants which grow in the Cochabamba Department, Bolivia, including the common names) is a mountain in the Andes of Peru, about 5220 meters high.