20a. Philadelphus sericanthus var. sericanthus
绢毛山梅花(原变种) juan mao shan mei hua (yuan bian zhong)
Philadelphus coronarius Linnaeus var. chinensis H. Léveillé; P. hupehensis (Koehne) S. Y. Hu; P. incanus Koehne var. sargentianus Koehne f. hupehensis Koehne; P. sericanthus var. bockii Koehne; P. sericanthus var. rosthornii Koehne.
Leaf blade elliptic or elliptic-lanceolate, adaxially strigose, margin minutely serrate. Racemes 7-15(-30)-flowered; rachis 5-15 cm. Corolla 2.5-3 cm. Fl. May-Jun, fr. Aug-Sep.
* Mixed forests, thickets, mountain slopes; 300-3000 m. Anhui, ?Fujian, Gansu, Guangxi, Guizhou, Hebei, Henan, Hubei, Hunan, Jiangsu, Jiangxi, Shaanxi, Sichuan, Yunnan, ?Zhejiang.