台灣新歸化之菊科植物──菲律賓鈕扣花

Centratherum punctatum Cass. ssp. fruticosum, A Newly Naturalized Sunflower Species in Taiwan

菲律賓鈕扣花（Centratherum punctatum Cass. ssp. Fruticosum (Vidal) Kirkman）屬於菊科之鈕扣花屬（新擬中名），菲律賓原產，近年發現分佈於台灣東部及北部之廢棄地，為台灣植物誌增添一屬。本文描述其分類特徵、分佈及相關分類報導，並提供植物外形及解剖圖以供辨識。

Centratherum punctatum Cass. ssp. fruticosum, originally native to the Philippines, was recently found naturalized in ruderal sites of northern and eastern Taiwan. It represents a new record for both the species and the genus on this island. The present study provided taxonomic description, line drawings and other relevant information.