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Comprehensive census of orchids of India

Posted on : 27 Dec 2019

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  • The Botanical Survey of India has come up with the first comprehensive census of orchids of India putting the total number of orchid species or taxa to 1,256.
  • Orchids of India: A Pictorial Guide, a publication detailing all the species of India was unveiled earlier this month by the Ministry of Environment, Forest and Climate Change.
  • The 1,256 species or taxa of orchids belong to 155 genera and 388 species are endemic to India.
  • A State-wise distribution of orchid species points out that the Himalayas, North-East parts of the country and Western Ghats are the hot-spots of the beautiful plant species.

State-wise distribution

  • The highest number of orchid species is recorded from Arunachal Pradesh with 612 species followed by Sikkim 560 species and West Bengal; Darjeeling Himalayas have also high species concentration, with 479 species.
  • While north-east India rank at the top in species concentration, the Western Ghats have high endemism of orchids.
  • There are 388 species of orchids, which are endemic to India of which about one-third (128) endemic species are found in Western Ghats.
  • Kerala has 111 of these endemic species while Tamil Nadu has 92 of them. Among the 10 bio geographic zones of India, the Himalayan zone is the richest in terms of orchid species followed by Northeast, Western Ghats, Deccan plateau and Andaman & Nicobar Islands.
  • Considering the importance of orchids in floriculture, the publication, which has photographs of 60% of all species, is the first authentic inventory and will be useful for researchers, growers, nature lovers and people with different backgrounds.

Article Related Questions

  1. Arrange the following states in increasing order of the number of orchid species recorded
    1.Arunachal Pradesh
    2.West Bengal
    3.Sikkim
    4.Kerala
    Select the correct answer using the code given below:

  2. 1.2-4-1-3

    2.4-2-1-3

    3.4-2-3-1

    4.2-4-3-1

    Right Ans : 4-2-3-1

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