amellia sinensis, or, in Chinese, Korean, Japanese and other East Asian languages, refers to black tea.
Tea leaf processing methods (simplified):
Tea is traditionally classified based on the techniques with which it is produced and processed.
White Tea: Unwilted and unoxidized Yellow Tea: Unwilted and unoxidized but allowed to yellow
Green Tea: Wilted and unoxidized Oolong Tea: Wilted, bruised, and partially oxidized
Black Tea: Wilted, crushed, and fully oxidized Post-Fer