Abstract

A new species, Argyreia akoensis S.-Z. Yang, P.-H. Chen & Staples (Convolvulaceae) from southern Taiwan, is described and illustrated. Compared to its congeners in Taiwan and neighboring areas, Argyreia akoensis can be differentiated by the corolla lobing, sepal size, and exserted pistil and stamens. A morphological description, diagnosis, line drawings, photographs, and conservation status, as well as a key to similar species are provided to aid in identification.

中文摘要

本文將台灣南部旋花科新種-屏東朝顏(Argyreia akoensis S.-Z. Yang, P.-H. Chen & G.W. Staples)，與台灣及鄰近地區相似種進行比較，屏東朝顏鑑別特徵為花冠裂片、花萼大小、突出的雌蕊和雄蕊。本文提供形態描述、判別特徵、手繪圖、照片、保育狀況以及相似種的檢索表以供鑑別之用。

Keyword: Argyreia formosana, biogeography, endemism, Liangshan, Pingtung, Taiwan.