Morphological diversity of xoconostles (Opuntia spp.) or acidic cactus pears: a Mexican contribution to functional foodsClemente Gallegos-Vázquez, Leia Scheinvar, Carlos A. Núñez-Colín and Candelario Mondragón-JacoboFruits, 67 2 (2012) 109-120DOI: https://doi.org/10.1051/fruits/2012001