合歡山地區漆姑草屬（石竹科）植物之分類

The Genus Sagina (Caryophyllaceae) from Mt. Hehuan of Taiwan

漆姑草屬植物為石竹科的一個屬共有25種。台灣植物誌第二版記載了2種，分別為漆姑草（Sagina japonica （Sw.） Ohwi）與大漆姑草（S. maxima A. Gray）。本研究報導合歡山區海拔2,500～3,000 m的漆姑草屬植物，共記錄有2種，分別為漆姑草與仰臥漆姑草（S. procumbens L.），其中仰臥漆姑草為台灣新歸化種。本文提供台灣產漆姑草屬的檢索表，合歡山區所產2種的描述、分布及彩色照片。

The genus Sagina (Caryophyllacea) comprises 25 species worldwide, of which two have been recorded from Taiwan. They are S. japonica (Sw.) Ohwi, a common weed found from low to high elevations throughout the island, and S. maxima A.Gray found from medium to low elevations as well as in coastal regions in the northern and central parts of the island. We conducted a field survey on Sagina at Mt. Hehuan of Taiwan at elevations between 2,500 m and 3,000 m. Two weedy species were found, namely S. japonica (Sw.) Ohwi, and S. procumbens L., the latter of which was recently naturalized in Taiwan. This paper is a briefly description of the two species with a key to the species and their photographs to aid identification.