Cinnamon, evergreen trees, aromatic. The bark is grayish brown, the young branches have four edges and are covered with grayish yellow hairs. Leaves alternate or subopposite, leathery, oblong-elliptic to sublanceolate, apex brachycusp, base cuneate, above green, glossy, trivented from base; Petiolate. Panicles axillary; Perianth 6, white; Produces stamens 9,3 wheels, inner wheels with glands 2 at the base of filaments, ovary ovate. Berries purplish black, oval, with shallow cup receptions. The flowering period is from June to August, and the fruit period is from October to February to March.
It has obvious enhancement effect on human immune function; The mechanism of its action is that it can enhance the proliferation and differentiation of human T lymphocytes and B lymphocytes, and enhance their functions; Enhance the killing function of killer cells and phagocytic function of mononuclear phagocytic cells. The results of this study provide important experimental and theoretical basis for screening effective and non-toxic side effects of natural Chinese medicine.