Black is black grape extract short, black grape is a Eurasian species · US origin, introduced in 1992, Shandong Lacey. Botanical characters: the young shoots of green · annual branches with sparse light brown hair. · On the back of a yellow-green leaves with sparse hair · mature leaves and back surfaces are smooth and free of fluff, serrated leaf edge. Bisexual flowers. Fruit characteristics: conical ear length · average longitudinal diameter 28 cm · diameter 16 cm · The average ear weight 500 to 700 grams, the average weight of 8 to 10 grams. Roucui thick-skinned, blue-black peel, bright as paint, sweet and sour taste, soluble solids content above 17%. Easy to fall off the stalk, storage and transportation.