臺灣天南星屬之新紀錄植物

A new record of Arisaema (Araceae) in Taiwan

本文報導臺灣產天南星屬之一新記錄植物──蒲島天南星（Arisaema thunbergii Blume subsp. urashima (Hara) Ohashi & J. Murata），除描述形態特徵與生育地環境外，並提供檢索表以與臺灣產同屬另一近緣種──羽葉天南星（A. heterophyllum Blume）區別。

Arisaema thunbergii Blume subsp. urashima (Hara) Ohashi & J. Murata (Araceae) is reported for the first time from Taiwan. A taxonomic description and a morphological comparison with A. heterophyllum Blume, a closely similar relative known to occur in Taiwan, arc provided.