樱草杜鹃(原变种) ying cao du juan (yuan bian zhong)

Rhododendron acraium I. B. Balfour & W. W. Smith; R. clivicola I. B. Balfour & W. W. Smith; R. cremnophilum I. B. Balfour & W. W. Smith; R. gymnomiscum I. B. Balfour & Kingdon Ward; R. tsarongense I. B. Balfour & Forrest.

Leaves and corolla without hairs. Corolla tube outer surface usually glabrous Fl. May–Jun, fr. Jul–Sep.

Alpine moorlands, rocky pastures, cliffs, boulders; (2900–) 3700–4100(–5100) m. S Gansu, W Sichuan, S Xizang, NW Yunnan.