中国科学院华南植物园位于广州市东北郊,是我国最大的南亚热带植物园。它是热带、亚热带珍稀濒危植物引种、保存和植物资源推广利用的科研基地,又是普及植物科学知识及参观游览的园地。自1981年以来,我园引种成功的木兰科植物11属,110多种,占国产种的总数(150种)的73.3％,其中国家重点保护的珍稀濒危植物31种。大多数生长良好,已蔚然成林。10年生平均树高10—12米,胸径达18—21厘米,最高达 South China Botanical Garden, Chinese Academy of Sciences is located in the northeastern suburbs of Guangzhou City, is China’s largest southern subtropical botanical garden. It is a scientific research base for introduction, preservation and plant resources promotion and utilization of tropical and subtropical rare and endangered plants. It is also a place popularizing plant science knowledge and visiting tours. Since 1981, 11 species and 110 species of Magnoliaceae plants successfully introduced in our garden have been introduced, accounting for 73.3% of the total number of domestic species (150 species), of which 31 are rare and endangered plants under state protection. Most grow well and have become established forests. 10-year-old trees average height of 10-12 meters, diameter 18-21 cm, up to