Rhododendron aganniphum is a rhododendron species native to Tibet and southwestern China (southern Qinghai, western Sichuan, southeastern Xizang, and northwestern Yunnan), where it grows at altitudes of 2700–4700 meters. It is a compact shrub that grows to 1–4 m in height, with thick, leatherly leaves that are oblong to elliptic-oblong and 4.5–12 by 2–6 cm in size. Flowers are rose-flushed white with maroon flecks and often pink streaks.