Longistriata flava (Boletaceae, Basidiomycota) - a new monotypic sequestrate genus and species from Brazilian Atlantic Forest

A new monotypic sequestrate genus, is described based on collections from the Neotropical forest of Atlantic forest in Paraíba, Northeast Brazil - an area known for its high degree of endemism. The striking features of this new fungus are the hypogeous habit, the vivid yellow peridium in mature basi...

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Published inMycoKeys (Sofia, Bulgaria) Vol. 62; pp. 53 - 73
Main Authors Sulzbacher, Marcelo A, Orihara, Takamichi, Grebenc, Tine, Wartchow, Felipe, Smith, Matthew E, Martín, María P, Giachini, Admir J, Baseia, Iuri G
Format Journal Article
LanguageEnglish
Published Bulgaria Pensoft Publishers 03.02.2020
Subjects
sequestrate fungi
ITS
phylogeny
tropical forest
taxonomy
Boletales
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Summary:A new monotypic sequestrate genus, is described based on collections from the Neotropical forest of Atlantic forest in Paraíba, Northeast Brazil - an area known for its high degree of endemism. The striking features of this new fungus are the hypogeous habit, the vivid yellow peridium in mature basidiomes, broadly ellipsoid basidiospores with a distinct wall that is ornamented with longitudinal striations and lageniform cystidia with rounded apices. Phylogenetic analysis, based on LSU and regions, showed that the type species, , is phylogenetically sister to the monotypic sequestrate African genus in Boletaceae. Together these two species formed the earliest diverging lineage in the subfamily Zangioideae. is found in nutrient-poor white sand habitats where plants in the genera (Polygonaceae) and (Nyctaginaceae) are the only potential ectomycorrhizal host symbionts.
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ISSN:1314-4057
1314-4049
DOI:10.3897/mycokeys.62.39699