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单性木兰隶属于木兰科单性木兰属,常绿乔木,树高达18—20米,树干通直。单性木兰属植物仅2种,一种产于柬埔寨、泰国,我国仅有本种分布于广西西北部的罗城、环江两县和贵州省的荔波县境内,多数呈零散分布,成片分布仅见于环江境内的广西木论国家级自然保护区,面积18.7hm2。由于木兰科是现存被子植物中最原始的类群之一,而木兰科植物的花通常为两性,只有单性木兰属为单性
Monotypic Magnolia belongs to Magnoliaceae genus Magnolia, evergreen trees, trees up to 18-20 meters, the trunk straight. There are only two species of Amargata genus, one species originated in Cambodia and Thailand. The only species distributed in Lubei county, Huanjiang county and Libo county in Guizhou province in northwestern Guangxi Province is mostly scattered in this area in China Film distribution is found only in the Huanjiang in Guangxi Mu on the National Nature Reserve, an area of 18.7hm2. Because Magnoliaceae is one of the most primitive species in the existing angiosperms, Magnoliaceae usually has a biparental flower, with only one sex