Maxim. in Bull. Acad. Petersb. 23: 350. 1877; Balf. f. in Not. Bot. Gard. Edinb. 9: 297. 1916; Hutch. in Stevenson, Spec. Rhodod. 201. 1930; Fang in Contr. Biol. Lab. Sci. Soc. China Bot. 12: 61. 1939; Cowan et Davidian in R. H. S. Rhodod. Year Book, 2: 68. 1947; 中国高等植物图鉴3: 75. 图4103. 1974; Cullen in Not. Bot. Gard. Edinb. 39: 163. 1980; Davidian, Rhodod. Spec. 1: 53. 1982; 中国四川杜鹃花314. 1986; 青海木本植物志510. 图363. 1987.
甘肃、青海及四川西北部
1-1.5（-2）米
6-7月