Abstract

Bullbophyllum kuanwuensis, a new orchid species from Taiwan is described, illustrated and compared with related species. The new species belonging to section Cirrhopetalum is rare and recorded only from two localities in northern and central Taiwan. This species is related to B. albociliatum and B. electrinum, from which it differs by thick rhizome, short scape, red to orange flowers, dorsal sepal and petal margins with densely long white ciliate, and dorsal sepal 5-nerved.

中文摘要

觀霧豆蘭（Bulbophyllum kuanwuensis）屬於捲瓣蘭屬Cirrhopetalum 節的新種植物， 此報告予其形態描述、繪圖及與相近種的比較。該植物目前僅在臺灣北部和中部二個中海拔地方發現，均著生於針葉樹幹上。其與白毛捲瓣蘭及長軸捲瓣蘭外表很相近，但它的走莖甚粗，花莖短，花紅色或橙色，上萼片與花瓣邊緣密生白色長毛，及上萼片先端銳尖，有五條明顯脈紋等特徵足以區別。

Keyword: Bulbophyllum kuanwuensis, Orchidaceae, New species, Taiwan, Rare plant.