石梓(Gmelia arborea Rexb),又名云南石梓,是马鞭草科的落叶大乔木,不成群生长,散生在湿润的落叶林中,是热带地区的一种速生优良用材树种,材质优良,是高级家俱,室内装饰、造船、胶合板及造纸用材。南宁树木园不足九年生的立木平均年生长量为树高1.7米,胸径2.7厘米。是值得注意发展的速生高产的树种。 Gmelinia (Arborea Rexb), also known as Shi Zi in Yunnan Province, is a deciduous tree of Verbenaceae. It grows in groups of wet deciduous forests and is a fast-growing, excellent timber species in the tropics. , Is a high-grade furniture, interior decoration, shipbuilding, plywood and paper materials. Nanning Arboretum less than nine-year-old tree stands average annual growth of 1.7 meters in height, diameter 2.7 cm. It is noteworthy development of fast-growing high-yielding species.