Camellia sinensis is a species of evergreen shrubs or small trees in the flowering plant family Theaceae. Its leaves and leaf buds are used to produce tea. Common names include tea plant, tea shrub, and tea tree. Wikipedia. If allowed to grow freely can reach up to 6 ft or more. For commercial agronomic purposes they are maintained as a compact shrub at approximately 4 ft, to increase productivity. And to suit the stature of female tea pickers.
BOP = Broken Orange Pekoe, the very best grade of marketed tea. Flavour. Aroma, Colour. A very refreshing brew.