Rhododendron gracilentum is a distinctive small, evergreen rhododendron species native to Papua New Guinea. It grows to a height of , with red flowers.
As it does not tolerate freezing temperatures, in temperate zones it must be grown with the protection of glass.
References
Trans. Roy. Soc. Victoria n.s., 1(2): 22 1889. The Plant List Encyclopedia of Life Hirsutum.com National Center for Biotechnology Information, U.S. National Library of Medicine