Rhododendron xanthocodon (黄铃杜鹃) is a rhododendron species native to northeastern India, Tibet, and Bhutan, where it grows at altitudes of . It is an evergreen shrub or small tree that grows to in height, with leathery leaves that are elliptic or oblong-elliptic, and 3–7.5 × 1.5–4.5 cm in size. The flowers are creamy yellow.
Synonyms Rhododendron cinnabarinum var. purpurellum Rhododendron cinnabarinum subsp. xanthocodon Rhododendron concatenans
References Hutchinson, Gard. Chron., ser. 3. 95: 409. 1934. The Plant List Flora of China