Yams

Abstract

There are two main species of yam grown in Papua New Guinea: 1. Dioscorea alata - the greater yam (Pidgin: yam tru; Motu: maho), 2. Dioscorea esculenta - the lesser yam (Pidgin: mami; Motu: taitu). Other yams grown for food in Papua New Guinea include Dioscorea bulbifera, D. pentaphylla, D. nummularia and D. hispida.