Rhododendron arizelum

Rhododendron arizelum (夺目杜鹃) is a species of flowering plant in the family Ericaceae. It is native to northeastern Myanmar, southeastern Tibet, and western Yunnan, China, where it grows at altitudes of 2,500–4,000 m (8,200–13,100 ft). It is a shrub or small tree that typically grows to 3–7 m (9.8–23.0 ft) in height, with leathery leaves that are obovate or obovate-elliptic, and 9–19 × 4–8 cm in size. The flowers are white, pale yellow, or pink, with a crimson basal blotch....read more on Wikipedia.