accessory-fruit artocarpus-heterophyllus Asia big bumpy-rind chakka-pazham distinctive-looking elongated fiber fibre flesh food fruit fruit-tree green heavy jaca jack-fruit jack-tree jakfruit large magnesium moraceae mulberry/fig-family natural-food plumpy potassium produce protein pulp raw-or-cooked rind ripe rough skin staple-food sub-tropical surface surfaces texture textured textures thick tree-fruit tropical tropics vitamin-B6 vitamin-C rock Dirt earth environment igneous metamorphic Mineral nature object science Sed Soil