Rhododendron rubiginosum (红棕杜鹃) is a rhododendron species native to Myanmar, and Sichuan, Xizang, and Yunnan in China, where it grows at altitudes of 2800–3600 meters. It is a shrub that grows to 1–3 m in height, with leaves that are elliptic or elliptic-lanceolate or oblong-ovate, 3.5–8 by 1.3–3.5 cm in size. Flowers are pink, red, or pale purple.