Monkey Joy (Sloanea sinensis (Hance) Hemsl.) It is a tree of the genus Monkey Joy in the family Du Ying, with a height of up to 20 meters; The leaves are thin and leathery, with varying shapes and sizes, usually oblong or narrow ovate, with a short and acute apex, and the petiole is hairless. Multiple flowers clustered in the axils of branches and leaves; The flower stem is covered with gray fur; Sepals are broadly ovate in shape, petals are white with slight hairs on the outer side, stamens are of equal length to petals, ovary is ovate in shape, styles are fused, capsules vary in size, fruit petals are of different lengths, seeds are black and shiny, false seed coat is long, millimeter, yellow. It blooms from September to November and matures in June to July of the following year.