Rhododendron arboreum

Rhododendron arboreum, the tree rhododendron, also known as Burans or Laligurans or simply Gurans (Nepali: गुराँस) in Nepal, 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, Pakistan and Thailand. Rhododendron arboreum is the national flower of Nepal; in India it is the state tree of Uttarakhand and state flower of Nagaland. Its name means 'tending to be woody or growing in a tree-like form'. It has been recorded as reaching heights of up to 20 m, although more usually it has a height and spread up to 12 m (36 ft) x 12 m (36 ft). This plant holds the Guinness Record for World's Largest Rhododendron. The tree discovered in 1993 at Mount Japfu in Kohima district of Nagaland, India, holds the Guinness Record for the tallest Rhododendron at 108 ft measured at the time of discovery which is still growing.