The easy and simple solution for iodine absence is to consume iodine rich food.Also families should be made conscious of using salt with iodine. The tea plant, Camellia sinensis, is a member of the Theaceae family, and black, oolong, and green tea are produced from its leaves. It is an evergreen shrub or tree and can grow to heights of 30 feet, but is usually pruned to 2-5 feet for cultivation.