Black tea Black tea Black tea is a type of tea that is more oxidized than oolong, green, and white teas. Black tea is generally stronger in flavour than the less oxidized teas. All four types are made from leaves of the shrub (or small tree) "Camellia sinensis." Two principal varieties of the species are used – the small-leaved Chinese variety plant ("C. sinensis" var. "sinensis"), used for most other types of teas, and the large-leaved Assamese plant ("C. sinensis" var. "assamica"), which was traditionally mainly used for black tea, although in recent years some green and white teas have been produced.
Economy of Assam tea. Assam produces some of the finest and most expensive teas in the world. Other than the Chinese tea variety "Camellia sinensis", Assam is the only region in the world that has its own variety of tea, called "Camellia assamica". Assam tea is grown at elevations near sea level, giving it a malty sweetness and an earthy flavor, as opposed to the more floral aroma of highland (e.g. Darjeeling, Taiwanese) teas. Assam also accounts for fair share of India’s production of rice, rapeseed, mustard, jute, potato, sweet potato, banana, papaya, areca nut and turmeric. Assam is also a home of