@INBOOK {BAI:1998, title = {Taxonomy, morphology and floral biology}, author = {Bai, K. V. and Ekanayake, I. J. }, editor = {Orkwor, G. C. and Asiedu, R. and Ekanayake, I. J. }, year = {1998}, type = {Food yams: advances in research}, pages = {13--37}, publisher = {International Institute of Tropical Agriculture (IITA): NRCRI}, address = {Ibadan: Umudike, Nigeria}, }