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Camellia sinensis is a species of evergreen shrub or small tree in the flowering plant family Theaceae.Its leaves, leaf buds, and stems can be used to produce tea.Common names include tea plant, tea shrub, and tea tree (unrelated to Melaleuca alternifolia, the source of tea tree oil, or the genus Leptospermum commonly called tea tree).
Camellia sinensis, the tea plant, is of major commercial importance because tea is made from its leaves. The species C. sinensis is the product of many generations of selective breeding to bring out desirable qualities for tea. However, many other camellias can be used to produce a similar beverage.
In 1863, The New York Times reported the discovery of tea plants growing natively in Western Maryland and Pennsylvania, sparking an interest in cultivating the plants commercially. [7] In 1880, the US Government hired John Jackson, an experienced tea planter in India, to cultivate tea plants planted 30 years earlier in Liberty County, Georgia .
Caffeine and its precursors theobromine and theophylline are only found in sect. Thea and are not found in other species of Camellia or other Theaceae. Caffeine content in the tea bush makes up 2.5-4% of the leaf's dry weight, and this high content of catechins and caffeine in the tea bush is the result of artificial selection by humans for ...
It is manufactured specifically from the plant Camellia sinensis var. assamica (Masters). [1] [2] Assam's people tried to plant the Chinese varieties in Assam soil but did not succeed. [3] [4] Assam tea is now mostly grown at or near sea level and is known for its body, briskness, malty flavour, and strong, bright colour. Assam teas, or blends ...
Though at these heights the plants grow more slowly, they acquire a better flavour. [78] Women picking tea in Kenya. Two principal varieties are used: Camellia sinensis var. sinensis, which is used for most Chinese, Formosan and Japanese teas, and C. sinensis var. assamica, used in Pu-erh and most Indian teas (but