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Issue: Vol. 663 No. 1: 15 Aug. 2024
Type: Article
Published: 2024-08-15
DOI: 10.11646/phytotaxa.663.1.3
Page range: 26-32
Abstract views: 110
PDF downloaded: 4

Gastrodia indica (Orchidaceae: Gastrodieae), a new completely cleistogamous holomycotrophic species from India

Taxonomy and Biodiversity Laboratory, Department of Botany, Sikkim University, 6th mile, Samdur, Gangtok, Sikkim (737102), India, G.B.Pant National Institute of Himalayan Environment (GBPNIHE), Sikkim Regional Centre, Pangthang (737101), Gangtok, Sikkim, India, G.B.Pant National Institute of Himalayan Environment (GBPNIHE), North-East Regional Centre, Chandranagar, Itanagar (791113), Arunachal Pradesh, India
Central National Herbarium, Botanical Survey of India, Howrah‒711103, West Bengal
Regional Ayurveda Research Institute, Gangtok- 737102, Sikkim, India
G.B.Pant National Institute of Himalayan Environment (GBPNIHE), Sikkim Regional Centre, Pangthang (737101), Gangtok, Sikkim, India
Taxonomy and Biodiversity Laboratory, Department of Botany, Sikkim University, 6th mile, Samdur, Gangtok, Sikkim (737102), India
G.B.Pant National Institute of Himalayan Environment (GBPNIHE), North-East Regional Centre, Chandranagar, Itanagar (791113), Arunachal Pradesh, India
G.B.Pant National Institute of Himalayan Environment (GBPNIHE), Sikkim Regional Centre, Pangthang (737101), Gangtok, Sikkim, India
Cleistogamy Sikkim Himalaya mycoheterotroph orchid taxonomy Monocots

Abstract

Gastrodia indica sp. nov. has been described as a new species from Sikkim, India. This is the first cleistogamous species of the genus Gastrodia discovered from India. It is morphologically allied to G. exilis & G.dyeriana but critical examination revealed considerable differences in floral morphological characters. A detailed taxonomical description along with photoplates, comparison with the allied species and keys for all Gastrodia species from India have been provided to aid in easy identification.

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