The Orange rind ranges in color from orange, yellow, to green and is smooth with a leathery texture, dotted with many small oil glands across the surface that produce fragrant essential oil. Underneath the rind, there is a thin layer of white pith that is bitter and spongy. The flesh is juicy, also ranges in color from red, orange, to yellow, is filled with tightly packed pulp and juice sacs, and is divided into 10-14 segments by thin membranes. Oranges are aromatic, juicy, and vary in flavor from sweet, acidic, tart, to sour.