Rhododendron thayerianum

Rhododendron thayerianum (反边杜鹃) is a rhododendron species native to western Sichuan in China, where it grows at elevations of 2600-3000 m. It is an evergreen shrub that grows to 3-4 m in height, with leathery leaves that are narrowly oblanceolate, and 9–17 × 1.5–2.5 cm in size. The flowers are white, sometimes deeply flushed pink on the outside along the petal ridges, or pink. It flowers quite late in the season, in June and July.