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Issue: Vol. 647 No. 3: 14 May 2024
Type: Article
Published: 2024-05-14
DOI: 10.11646/phytotaxa.647.3.4
Page range: 274-286
Abstract views: 47
PDF downloaded: 2

Novelty in Arundinella (Arundinelleae, Panicoideae, Poaceae): Morphological and Molecular Evidences for a New Species from Sikkim Himalaya

Taxonomy and Biosystematics Laboratory, Department of Botany, University of Calcutta, 35, Ballygunge Circular Road, Kolkata 700 019, West Bengal, India
1Taxonomy and Biosystematics Laboratory, Department of Botany, University of Calcutta, 35, Ballygunge Circular Road, Kolkata 700 019, West Bengal, India
Technology Enabling Centre, University of Hyderabad & Department of Science & Technology, Govt. of India, New Delhi, India
High Altitude Research, Quality Control Laboratory, Forest and Environment Department, Government of Sikkim,Gangtok 737102, Sikkim, India
Taxonomy and Biosystematics Laboratory, Department of Botany, University of Calcutta, 35, Ballygunge Circular Road, Kolkata 700 019, West Bengal, India
Arundinella namprikensis Arundinella India molecular phylogeny new species Monocots

Abstract

A new species Arundinella namprikensis in the genus Arundinella supported by both morphological and molecular evidences, from the mountains of Sikkim Himalaya is described and illustrated. This species maintains its uniqueness from morphologically allied species A. nepalensis and A. cochinchinensis by possessing smooth and glabrous rhizomes, glabrous culm node, 5–7-veined lower and upper glumes, bisexual lower floret and the lower lemma almost always with 7 veins. Phylogenetic analysis of nuclear ITS sequences strongly supported the distinctiveness of A. namprikensis by forming a well-defined clade within Arundinella with its accessions sufficiently away from its close relatives, A. nepalensis and A. cochinchinensis. Information on its phenology, habitat, distribution and additional specimens examined are provided.

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