part of whole plant plant organ culture mesontle 2021-03-21T18:17:41Z BTO:0006519 BrendaTissueOBO Marion The heart of the agave, when the leaves and the root are cut off, also named as the piña of the agave. Piña literally means pineapple in Spanish but in Mexico it is also used to describe the heart of the agave because it so closely resembles a pineapple. mezontle piña