General Types of Tea  Black Tea It’s a strong flavored tea, characterized by dark brown or black leaves. It goes under complete oxidation, a process in which water evaporates entirely out of the leaves & the leaves absorb oxygen. Because these tea leaves undergo complete oxidization, they retain their flavor for more prolonged periods of time. Cultivation of black tea leaves is native to mainland China, where it’s popularly known as ‘Red Tea’. Black tea can be further classified, …