Abstract: According to field investigation and references, there almost 50% species of Solanaceae in Guangxi are exotic, which includes 1 variety and 21 species of 11 genera. Most of them originated from American. 73% species such as Nicotiana tabacum, Solanum tuberosum, S. melongena and Capsicum annuum are introduced and cultivated plants for economic purpose. Datura stramonium, D. mete，S. aculeatissimum, S. erianthum, S. capsicoides and S. torvum are harmful and listed in invasive alien species in China.

Key words: alien species, Solanaceae, Guangxi

摘要： 广西的茄科植物有近50%以上属于外来植物,包括11属21种1变种,绝大多数来源于美洲。其中,73%的种类为有意引进的栽培植物,如烟草、洋芋、茄、辣椒等,是重要的经济作物。但也有一些种类如曼陀罗、洋金花、喀西茄、假烟叶树、牛茄子、水茄等具有危害性,被列入中国外来入侵种。正确认识这些外来植物的有用价值和危害性,对于植物资源的引入与发展以及有效防范有害植物具有重要意义。

关键词: 外来种, 茄科, 广西