Rhododendron traillianum (川滇杜鹃) is a rhododendron species native to southwest Sichuan, southeast Xizang, and northwest Yunnan, China, where it grows at altitudes of NaNm (-2,147,483,648feet). It is an evergreen shrub or small tree that grows to NaNm (-2,147,483,648feet) in height, with leaves that are oblong-lanceolate to elliptic, 5–12 by 2.5–5 cm in size. The flowers are white or pink, with crimson spots and purple-red basal flecks.