臺灣錦葵科木槿屬新歸化植物－－糙葉木槿

A Newly Naturalized Species in Taiwan: ＂Hibiscus asper＂ Hook. f. (Malvaceae)

糙葉木槿原產於熱帶非洲，近期於臺灣中部廢耕地發現。本種辨識特徵為莖具稀疏的刺毛，花萼密生刺毛與紅色突起，花淡黃色中央為紫紅色，種臍周圍生有毛。本文提供該種植物的手繪圖、彩色照片及分布地點供識別之用。

＂Hibiscus asper＂ Hook. f. (Malvaceae), a native to tropical Africa, has recently been found in abandoned lands of central Taiwan. The species is distinguishable by its stems with sparse pricks, the calyx with dense bristles and red protuberances, light yellow flowers with a red-purple center, and the hilum of seed surrounded by hairs. Line-drawing, photographs and a distribution map of this newly naturalized species are provided to aid its identification.