The Tea plant, “Camellia Sinensis”, is cultivated variety of the tree originating from the region between India and China. The tea leaves are mostly hand plucked. When the plant is plucked two leaves and a bud are cut. An experienced plucker can pluck up to 30 kg tea leaves per day. To make one kg black tea, approximately 4 kg tea leaves are needed. One tea plant produces about 70 kg black tea a year. In a warm climate the plant is plucked for the first time after 4 years and will produce tea for at least 50 years. A suitable climate for cultivation has a minimum annual rainfall of 45 to 50 inches (l, 140 to 1,270 millimeters). Tea soils must be acid; tea cannot be grown in alkaline soils. A desirable pH value is 5.8 to 5.4 or less. Scented and spiced teas are made from black tea. The spiced teas, on the other hand, usually contain pieces of spices cinnamon or nutmeg or orange or lemon peel so you can see there's something in there." The black, brown or green tea you enjoy in a cup is derived from this plant called the Camellia Senesis or Sinesis or Sansis