Yacaratia fruit, of the Papaya Family. This is a widespread species in the Neotropics and the fruit is edible, but not greatly sought. In context at www.dixpix.ca/Amazon/flora/malves/index.html
Description: Acalypha hassleriana in the Koko Crater Botanical Garden, Honolulu, Hawaii, USA. Date: 3 December 2009. Source: Own work. Author: Daderot. Permission(Reusing this file): Public domain.