Sikkim is located in the Eastern Himalayas and is globally renowned for its biological diversity and the traditional knowledge associated with it. It is a part of the global biodiversity hotspot. The unique terrain, climate and biogeography of the state have resulted in the sustenance of varied eco-zones in close proximity. Also the harmonious presence of several ethnic groups having their distinct identity and practising their traditional livelihood adds to the treasure house of knowledge related to this biodiversity. Sikkim harbours nearly 4,458 out of the total 15,000 species of flowering plants in the country.