Ipomoea purpurea (L.) Roth (Convolvulaceae), A Species of the I. nil Complex, Newly Naturalized in Taiwan

Ipomoea nil complex (Convolvulaceae) includes four species. Three species were previously recorded in Taiwan. In this study, we document naturalization of Ipomoea purpurea (L.) Roth, a species of the natively growing in the North and South America, in the Central Range of Taiwan. This study provides a description and photographs to aid in identification.