Rhododendron, meaning rose tree in Greek, is considered an indicator species for climate change.
Darjeeling and Sikkim Himalayas are home to more than one-third of all types of rhododendrons found in India.
The Botanical Survey of India’s new publication titled ‘Rhododendrons of Sikkim and Darjeeling Himalaya - An Illustrated Account’ lists 45 taxa of rhododendrons.
There are 132 taxa (80 species, 25 subspecies and 27 varieties) of rhododendrons found in India.
Of the 45 taxa recorded in the publication, 24 are found in the Darjeeling Himalayas and 44 in the Sikkim Himalayas.
They are native to the temperate regions of Asia, North America, and Europe, as well as to the tropical regions of southeast Asia and northern Australia.
Rhododendrons were first recorded by Captain Hardwick in Jammu and Kashmir in 1776.
It is the national flower of Nepal and the state tree of the state of Uttarakhand in India.