Are all tea leaves the same plant?

Tea comes from the tea tree, which is a plant, but there are different varieties of tea plants. In addition to the subdivided varieties, the thick lines are divided into arbor tea, small arbor tea, bush tea. For example, the Pu'er tea and Yunnan black tea we drank... Most are derived from arbor tea; The old fir narcissus, phoenix dancong, Fuding white tea, zhenghe white tea, golden laurel we drank... These teas come from small arbor tea; We drank green tea, yellow tea, as well as Tie Guanyin, cinnamon, Da Hong Pao, Zhengshan Xiaosang, Tanyang Gongfu, Keemun black tea... Most of these come from bush tea. Of course, these teas are only tea names, some teas have relative corresponding green selection requirements, such as: like Fuding white tea, our selection criteria are Fuding big white tea, Fuding big white tea, small white tea (or soil tea, vegetable tea), narcissus tea, the four teas mentioned here are tea varieties. Another example: like West Lake Longjing tea, the most standard source of tea green should be Longjing No. 43, Longjing group to grow tea; Like Anji white tea, the most standard source of tea green should be Baiye No. 1; Like Jin Junmei, the most standard tea green should be Wuyi Qizhu (or Wuyi Cai Tea), but there are also 105 (as Huang Guanyin tea), Meizhan tea and so on; Like Huiming tea in southern Zhejiang, Yingshuang, Jiukeng and local local teas are generally used; The tea varieties of Phoenix Dan Cong tea are divided into white leaves, red leaves, and black leaves regardless of the aroma type. There are many examples, not to mention them all. Tea is a product, tea is also classified, generally according to the processing of tea and fermentation (including oxidation degree) to divide, divided into seven categories, green tea, yellow tea, white tea, green tea, black tea, black tea and reprocessed tea.