Rhododendron rarilepidotum is a rhododendron species native to Sumatra, where it grows at altitudes of . It is an evergreen shrub that grows to in height, with elliptic leaves that are 9 × 3.5 cm in size. The flowers are orange or yellow, and broadly funnel-shaped.
References Contr. Arnold Arbor. 8: 126 1934. Argent, G. (2006) Rhododendrons of subgenus Vireya. RHS:London. Page:243 The Plant List Encyclopedia of Life Hirsutum.com Vireya.net Pat Halliday, "Rhododendron rarilepidotum", Curtis's Botanical Magazine, Volume 1, Issue 1, pages 20–22, April 1984.