Rhododendron hippophaeoides

Rhododendron hippophaeoides (灰背杜鹃) is a species of Rhododendron, subgenus Rhododendron (scaly or lepidote rhododendrons), subsection Lapponica. It is a small shrub, up to 4 feet (1.2 m) tall at maturity, native to altitudes of 2400–4800 meters in southwest Sichuan and many parts of Yunnan, China. Leaves are up to 1.5 inches long, gray-green above, and with overlapping yellowish-buff scales below. Flowers are bright rose or lavender-blue to bluish purple, or (rarely) white.