根據外部形態和花粉等特徵,將省產倒地蜈蚣屬(玄參科)訂正為四個種,分別為毛葉蝴蝶草(Torenia benthamiana Hance),倒地蜈蚣(T. concolor Lindl.),母丁香(T. flava Buch.-Ham. ex Benth.),和紫萼蝴蝶草(T. violacea(Azaola ex Blanco)Pennell)。本文確認毛葉蝴蝶草產於台灣。至於Torenia arisanensis Sasaki此學名應併入尼泊爾溝酸漿(Mimulus tenellus Bunge var. japonicus (Miq.)Hand.-Mazz)之異名下。本文並提供檢索表、特徵描述、花粉、和部份種類的染色體數目等特徵。
The genus Torenia L. (Scrophulariaceae) in Taiwan is revised based on comparative morphological and palynological studies. Four species, i. e., Torenia benthamiana Hance, T. concolor Lindl., T. flava Buch.-Ham. ex Benth., and T. violacea (Azaola ex Blanco) Pennell are recognized in this paper. SEM micrographs of pollen grains, chromosome counts, a key to species, species descriptions, and taxonomic notes are provided.