Popular Article Popular Kheti Volume -2, Issue-3 (July-September), 2014 Available online at www.popularkheti.info © 2014 popularkheti.info ISSN: 2321-0001 Rhododendron arboreum Sm. - An Economically Important Tree of Sikkim Chandan Singh Purohit Botanical Survey of India, Sikkim Himalayan Regional Centre, Gangtok, Sikkim-737103 Email:
[email protected] Rhododendron arboreum Sm. is locally called Lali-gurans. Its fresh petals are used in jelly and sharbat. Wood is used to make tool handles, boxes and posts and is suitable for plywood. It is offered in temples and religious places for ornamenting and decoration purposes. It is also used for amoebic dysentery, diarrhoea, headache, nose bleeding, park-saddles, plywood, posts, rheumatism etc. Because of it’s over exploitation in Himalayan region for its various purposes, its population declined in nature. Recently its populatio n is very scanty in nature so its ex -situ and in -situ conservation is necessary. Introduction The genus Rhododendron belongs to the family Ericaceae and was described by Carl Linnaeus in 1737 in ‘Genera Plantarum’. Joseph Hooker’s visit to the Sikkim Himalaya between 1848 and 1850 unfold the rhododendron world of this area (Hooker 1849). Within the brief span he travelled in Sikkim. Hooker gathered and described 34 new species and details of 43 species, including varieties from the Indian region in his monograph entitled ‘Rhododendron of Sikkim Himalaya’. It was followed by the publication on the ‘Indian Rhododendron’ by Clarke (1882) who recorded 46 species. Since then many species have been described and recorded from north- east India by various workers (Calder et al .