Rhododendron maoerense is a rhododendron species native to northeastern Guangxi, China, where it grows at altitudes of . It is a tree that typically grows to in height, with leaves that are oblanceolate, rarely obovate, and long by wide. Its flowers are white. It is placed in section Ponticum.
References
W. P. Fang & G. Z. Li, Bull. Bot. Res., Harbin. 4(1): 1. 1984. Flora of China Hirsutum