Ziziphus zizyphus (from Greek ζίζυφον - zizuphon, syn. Z. jujuba, Rhamnus zizyphus), commonly called Jujube, Red Date, or Chinese Date,'s a species of Ziziphus in the buckthorn family Rhamnaceae, used primarily for its fruits. Its precise natural distribution's uncertain due to extensive cultivation, but's thought to be in southern Asia, between Lebanon, northern India, and southern and central China, and possibly also southeastern Europe though more likely in… (More on Jujube)