Spiraea prunifolia f. simpliciflora Nakai, J. Coll. Sci. Imp. Univ. Tokyo 26: 172. 1908; Spiraea simpliciflora (Nakai) Nakai.

Leaf blades sparsely thinly pubescent abaxially, glabrescent when old, margin mostly minutely sharply serrate from near base or above middle to apex. Flowers single, less than 1 cm in diam. Hypanthium pubescent abaxially. Follicles pubescent on adaxial suture.

Thickets, slopes, rocks; 500--1000 m. Anhui, Fujian, Henan, Hubei, Hunan, Jiangsu, Jiangxi, Zhejiang.