Beverage
Camellia sinensis
C tier
Camellia sinensis is the evergreen tea plant whose young leaves and buds become green, white, oolong, black, and dark teas after controlled withering, oxidation, and firing. Native to the Sino-Himalayan region and now cultivated across subtropical highlands worldwide, the species spans small-leaf China types and large-leaf Assam types that differ in leaf size, climate tolerance, and cup body. Cultivars, elevation, harvest season, and processing define style more than the bare species name alone. As the botanical source of nearly all true tea, Camellia sinensis underpins daily drinking, ceremonial service, iced tea, and culinary extracts. Fresh leaf is rarely eaten; dried leaf, powder, and concentrated liquors supply beverage and cooking uses from plain steeped cups to matcha desserts, smoked blends, and marinade bases.
Also known as: Native Camellia sinensis populations, Cha, Ceylon tea gardens, Highland estate Camellia sinensis
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Grading systems
Grades are placed along a shared scale so systems can be compared side by side.
History
Chinese legend and early agronomy linked wild Camellia sinensis gathering to cultivated tea drinking in southwestern China.
Documented cultivation and leaf processing established tea as a staple crop and trade good across Chinese regions.
Buddhist and diplomatic exchange carried Camellia sinensis seed and culture to Japan, founding lasting tea traditions.
European trading companies globalised Camellia sinensis leaf as a commodity, reshaping plantation agriculture in Asia.
British colonial estates expanded commercial plantings of Camellia sinensis for export black tea markets.
Scientific cultivar breeding and clonal selection improved yield, disease resistance, and regional flavour profiles worldwide.