台灣大戟科的新歸化植物－－波氏巴豆

Croton bonplandianus Baillon (Euphorbiaceae), a Plant Newly Naturalized to Taiwan

Croton bonplandianus Baillon, a plant belonging to the family Euphorbiaceae and native to SouthAmerica, was recently found to be invasive in the southern Taiwan. This paper describes this newlynaturalized species with line drawings and photographs to aid identification. 本文報導最近在台灣南部發現原產於南美洲之新紀錄種—波氏巴豆（Croton bonplandianusBaillon）。波氏巴豆有可能成為入侵植物，宜早防除。本文提供該植物的描述、手繪圖及彩色照片以資辨識。