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Issue: Vol. 634 No. 2: 16 Jan. 2024
Type: Article
Published: 2024-01-16
DOI: 10.11646/phytotaxa.634.2.3
Page range: 131-142
Abstract views: 62
PDF downloaded: 2

Nigrohirschioporus violacaeruleum sp. nov. and a new record of Pallidohirschioporus brastagii (Basidiomycota, Hymenochaetales) from India

Molecular and Applied Mycology and Plant Pathology Laboratory, Department of Botany, University of Calcutta, Kolkata, West Bengal 700019, India.
Molecular & Applied Mycology Laboratory, Department of Botany, Gauhati University, Gopinath Bordoloi Nagar, Jalukbari, Guwahati, Assam 781014, India.
Molecular and Applied Mycology and Plant Pathology Laboratory, Department of Botany, University of Calcutta, Kolkata, West Bengal 700019, India.
India Neoantrodiellaceae nrDNA ITS Polyporaceae Taxonomy 1 new species Fungi

Abstract

The present study deals with the descriptions of two Hirschioporaceae taxa from West Bengal, India, using morphological and molecular phylogenetic analyses of nrITS sequence data. Of these two taxa, Nigrohirschioporus violacaeruleum is newly described, while Pallidohirschiorus brastagii is a new record to West Bengal, India. Nigrohirschioporus violacaeruleum is characterized by a dimidiate, applanate, woody basidiocarp; a velutinate to glabrous, azonate upper surface coloured white to greyish violet; circular to angular pores (7–10 per mm) coloured lilac grey; dimorphic cystidia and inamyloid, ellipsoid to elongate basidiospores (3.5–6 × 2.5−3.0 µm). Pallidohirschioporus brastagii possess a sessile imbricate, pileate basidiocarp, an adpressed hispid, brownish orange concentrically zonate upper surface; a poroid to irpicoid hymenophore, apically encrusted, thick-walled cystidia, and inamyloid, cylindrical basidiospores (3‒5.5 × 1.5‒2.5 µm). Full descriptions, field photographs of the fruiting bodies, detailed morphological descriptions, and a molecular sequence-based phylogenetic tree, are provided.

 

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