Hongyacha, a new type of wild tea plant from the mountains of southern China, contains little or no caffeine, according to a study published in the Journal of Agricultural and Food Chemistry. Leaves and young shoots of hongyacha. Image credit: Ji-Qiang Jin et al, doi: 10.1021/acs.jafc.8b03433. “Hongyacha is a wild tea plant only distributed in the narrow mountain area at altitudes of 2,300-3,300 feet (700-1,000 m) of several neighboring villages...
