Blackberries are the edible fruits produced by any of the several species in the genus Rubus of the Rosaceae family. Together with Raspberries, Blackberries are also known as caneberries and brambles. Trailing blackberries are vigorous, crown forming, and require a trellis for support.
Blackberry is not a true berry, but an aggregate fruit consists of numerous drupelets ripening to black or dark purple. The blackberries are red when they are unripe. Blackberry is popular for use in making jams, desserts, seedless jellies and wine. The flowers are a good nectar producers, attracting bees and yield a medium to dark honey.
Blackberry is known to contain polyphenol antioxidants, such as ellagic acid, tannins, quercetin, gallic acid, naturally occurring chemicals that can up-regulate certain beneficial metabolic processes in mammals. It is also notable for its high nutritional content of vitamin C, vitamin K, folic acids, dietary fiber, manganese and copper. The seeds of balckberries contain rich amount of omega-3, and -6 fats, protein, dietary fiber, carotenoids, ellagitannins and ellagic acid.
Blackberries in different stages http://commons.wikimedia.org/wiki/File:Blackberry_fruits_2008_G1.jpg George Chernilevsky