台灣新歸化植物：西非豬屎豆

＂Crotalaria goreensis＂ Guill. & Perr. (Leguminosae), a Newly Naturalized Species Plant in Taiwan

近年作者於台灣恆春半島發現之新歸化植物：西非豬屎豆。此植物為具有潛在危害的農田雜草，本文提供該種歸化植物的描述、彩色照片及地理分布以供鑑定用。

＂Crotalaria goreensis＂ Guill. & Perr. (Legumiosae) was recently discovered in Hengchun Peninsula, Taiwan, as a newly naturalized and potentially aggressive weed. A detailed description, photographs and geographic distribution are provided for identification of the species.