雪山杜鹃(原变种) xue shan du juan (yuan bian zhong)

Rhododendron aganniphum var. glaucopeplum (I. B. Balfour & Forrest) T. L. Ming; R. glaucopeplum I. B. Balfour & Forrest.

Petiole ca. 10 mm, sometimes with a few glands; leaf blade 6–9 × 2–4 cm; abaxial surface indumentum 1-layered, white to yellowish white, persistent, not splitting, with pellicle. Fl. Jun–Jul, fr. Sep.

Coniferous forests, Rhododendron thickets, mountains; 2700–4700 m. S Qinghai, W Sichuan, SE Xizang, NW Yunnan.