中国特有的单种属、国家二级保护植物太行花(Taihangia rupestris Yu et Li)是蔷薇科多年生草本植物,根系发达,地下茎粗壮,基生叶单叶;卵形或椭圆形。花葶高5—15厘米,单花生于花葶顶端,稀2—3朵。花白色,花瓣5。自然分布在太行山区南部的修武、林县境内的海拔600—1500米的石灰岩山地,一般生长在阴坡疏林下或峭壁下的林内,或岩缝中。产地4月底5月初开花,7—8月果实成熟。 Taihangia rupestris Yu et Li is a perennial herbaceous plant belonging to the Rosaceae family, endemic to China. Its root system is well-developed, and its rhizomes are stout. Basal leaves are single leaves; ovate or oval. Scape 5-15 cm high, single flower at the top of scape, thin 2-3 flowers. Flowers white, petals 5. It is naturally distributed in limestone mountains of 600-1500 meters above sea level in Xiuwu and Linxian County in the southern part of the Taihang Mountains. Generally, it grows in the forest under the shady timberland or under the cliffs or in the rock seams. Origin at the end of April early May flowering, July-August mature fruit.