Russian Caravan for the greater expense and difficulty of its carriage by this route. Anecdotal evidence had it that during the camel caravan journeys, the teas took on the smoky taste of the campfires. Only the lapsang souchong (if present) in the blend, however, is actually smoke-dried. Some blends use yunnan black tea, together with keemun and lapsang souchong to achieve full bodied, strong copper colored, smokey, and heavy flavored tea with a smooth and mellow aftertaste. Russian Caravan Russian Caravan is a blend of oolong, keemun, and lapsang souchong teas, all produced from "Camellia sinensis" the Chinese tea plant. It is
Camellia sinensis catalyzes the conversion of 7-methylxanthine to theobromine, as well as the final conversion of theobromine to caffeine. Camellia sinensis Camellia sinensis is a species of evergreen shrub or small tree whose leaves and leaf buds are used to produce tea. It is of the genus "Camellia" () of flowering plants in the family Theaceae. Common names include "tea plant", "tea shrub", and "tea tree" (not to be confused with "Melaleuca alternifolia", the source of tea tree oil, or "Leptospermum scoparium", the New Zealand Tea Tree). "Camellia sinensis" var. "sinensis" and "Camellia sinensis" var. "assamica", are two major varieties grown today.