Pittosporum glabra is an evergreen shrub of Pittosporum in Pittosporum family, which lives in cool and humid places, hillsides and streams in the forest. Distributed in Hunan, Guangdong, Hainan, Guangxi, Sichuan, Guizhou and other places. Hedgerows are often used in greening applications because their tree height can reach 2 to 3 meters. If used in flower border, as a background tree, it should be pruned frequently.