树形杜鹃（学名：Rhododendron arboreum）为杜鹃花科杜鹃属下的一个变种。

Rhododendron arboreum, the tree rhododendron, also known as burans or gurans, is an evergreen shrub or small tree with a showy display of bright red flowers. It is found in Bhutan, China, India, Myanmar, Nepal, Sri Lanka and Thailand. Rhododendron arboreum is the national flower of Nepal; in India it is the state tree of Uttarakhand and state flower of Himachal Pradesh and Nagaland.