臺灣新歸化植物——珊瑚珠（商陸科）

Rivina humilis L. (Phytolaccaceae), a Newly Naturalized Plant in Taiwan

珊瑚珠（商陸科）原產熱帶美洲，最近被發現馴化於本島中部都會區附近道路旁野地，為臺灣新歸化植物，本屬亦為臺灣新歸化屬。本報告描述其形態特徵、地理分布及生育地環境並提供彩色圖片與繪圖。

A newly naturalized plant, Rivina humilis L., was found recently in the central part of Taiwan. This plant represents a new record of this genus and species for Taiwan. This Neotropical plant, native to the southern USA, Mexico, the Caribbean islands, and Central and South America, is described and illustrated in this report.