槭叶小牵牛——中国大陆一新归化种

Ipomoea wrightii A.Gray——a newly naturalized species in mainland of China

该研究报道了广东省湛江市霞山区发现的中国大陆旋花科番薯属一新归化种——槭叶小牵牛(Ipomoea wrightii A.Gray)。该种原产热带美洲,引入并归化于中国台湾。通过野外调查,获得该种的详细特征和生境信息,并简要讨论了该种潜在的生态风险。

Ipomoea wrightii A. Gray,is recently found to be naturalized in Zhanjiang,Guangdong,China,which is native to tropical America,introduced and naturalized in Taiwan,China. Morphological variations of this species were carefully examined and habitat information were also collected during field investigation. Detailed description and color photographs are provided for the facility of identification. Their potential ecological risks are also discussed.