台灣旋花科新歸化植物——五葉菜欒藤

Merremia quinquefolia (Convolvulaceae), a Newly Naturalized Plant in Taiwan

Merremia quinquefolia (L.) Hallier f. is reported as a newly naturalized species in Taiwan. It is native to tropical America and recently found in southern Taiwan. M. quinquefolia can be distinguished from other congeners by the combination of palmately compound leaves with serrate margins and glabrous surfaces, and white to pale yellowish white corolla. 本文報導台灣新歸化的旋花科植物──五葉菜欒藤。其原生於熱帶美洲，近來發現歸化於台灣南部。五葉菜欒藤可依下述特徵與台灣其他同屬物種區分：掌狀複葉；小葉不裂，表面光滑，具齒緣；及花冠白色至淡黃白色。

本文報導台灣新歸化的旋花科植物──五葉菜欒藤。其原生於熱帶美洲，近來發現歸化於台灣南部。五葉菜欒藤可依下述特徵與台灣其他同屬物種區分：掌狀複葉；小葉不裂，表面光滑，具齒緣；及花冠白色至淡黃白色。