毛嘴杜鹃(原变种) mao zui du juan (yuan bian zhong)

Rhododendron sphaeranthum I. B. Balfour & W. W. Smith.

Bud scales deciduous. Leaf blade usually oblong or oblanceolate; adaxial surface usually scaly. Corolla white to rose; outer surface usually not scaly; style nearly as long as ovary. Fl. May–Jul, fr. Aug–Sep.

Forests, thickets, scrub, rocky alpine meadows, open slopes; 3000–4000(–4400) m. S Qinghai, W Sichuan, SE Xizang, NW Yunnan.