Ugbabe, G. , Ayodele, A. , Kalpana, S. and Okogun, J. 2014. Ultra-Structure of the Leaf Surfaces of the Family Bignoniaceae Juss. in Nigeria . Global Journal Of Botanical Science. 2, 1 (Sep. 2014), 37–44. DOI:https://doi.org/10.12974/2311-858X.2014.02.01.6.