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Anupama: a new genus of Biannulariaceae (Agaricales) from tropical India

Abstract

Anupama gen. nov. is described from the Kerala State of India with a single species, Anupama indica sp. nov. In the field, Anupama can be characterized by its small to medium-sized, tricholomatoid basidiocarps lacking veils of any kind and growing on the soil, a brownish pileus with a glabrous, somewhat waxy surface, crowded, sinuate lamellae, and a solid, orange-gray stipe tapering towards the base. The diagnostic microscopic features include hyaline, smooth, inamyloid basidiospores, abundant cheilocystidia and scarce pleurocystidia, subregular lamellar trama, a cutis-type pileipellis, and clamped hyphae. The multigene phylogenetic analyses based on two independent data matrices revealed the taxonomic position of Anupama within the Biannulariaceae, in which it formed a lineage distinct from other genera. A taxonomic description, photographs of the basidiocarps in their natural habitat and the microscopic structures, comparisons with phenetically and phylogenetically related genera of the family, phylograms showing the placement of the new genus, and a key to the genera of the family are provided.

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Acknowledgments

KNAR and KPDL acknowledge the support from the Council of Scientific & Industrial Research (CSIR), New Delhi, India, in the form of CSIR Research Associateships (09/043(0178) 2K17 dated: 31/03/2017 and 09/43 (190) 2K18 EMR-1 dated 25/04/2018). We thank Dr. Brandon Matheny and an anonymous reviewer for their suggestions to improve the manuscript.

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Correspondence to Patinjareveettil Manimohan.

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K. N. Anil Raj and K. P. Deepna Latha are acknowledged as the joint first authors of this work.

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Raj, K.N.A., Latha, K.P.D., Leelavathy, K.M. et al. Anupama: a new genus of Biannulariaceae (Agaricales) from tropical India. Mycol Progress 18, 659–669 (2019). https://doi.org/10.1007/s11557-019-01479-1

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Keywords

  • Basidiomycota
  • New taxa
  • Phylogeny
  • Taxonomy
  • Tropical fungi