40 cm in diameter and thick. Toona sinensis, a perennial woody plant of Toona of Meliaceae. The bark is rough and dark brown; Having pinnately compound leaves; Petals white, rectangular, disk hairless, close to rosary; The fruit is narrow oval, dark brown, with light lenticels, and the Toona sinensis tree can reach 40 cm thick in 50 years. Toona sinensis is a tall tree in Qiao Ben, native to China.