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Issue: Vol. 635 No. 3: 26 Jan. 2024
Type: Article
Published: 2024-01-26
DOI: 10.11646/phytotaxa.635.3.2
Page range: 206-216
Abstract views: 1004
PDF downloaded: 336

Tuber itzcuinzapotl sp. nov. (Tuberaceae, Pezizomycetes), the first edible truffle reported from Mexico with traditional biocultural importance

Colegio de Postgraduados, Campus Montecillo, Edafología, Km 36.5, 56230, Montecillo, Texcoco, Estado de México, Mexico.
Tecnológico Nacional de México. Instituto Tecnológico Superior de Zongolica, Km 4 Carretera a la Compañía S/N, 95000, Tepetitlanapa, Zongolica, Veracruz, Mexico
Tecnológico Nacional de México. Instituto Tecnológico de Ciudad Victoria, Tecnológico Nacional de México, Herbario Micológico José Castillo, Boulevard Emilio Portes Gil No. 1301, 87010 Ciudad Victoria, Tamaulipas, Mexico.
Colegio de Postgraduados, Campus Montecillo, Edafología, Km 36.5, 56230, Montecillo, Texcoco, Estado de México, Mexico
Tecnológico Nacional de México. Instituto Tecnológico Superior de Zongolica, Km 4 Carretera a la Compañía S/N, 95000, Tepetitlanapa, Zongolica, Veracruz, Mexico
Colegio de Postgraduados, Campus Montecillo, Edafología, Km 36.5, 56230, Montecillo, Texcoco, Estado de México, Mexico.
biocultural erosion ethnomycology hypogeous fungi Mexican truffles mycorrhizal fungi traditional knowledge Fungi

Abstract

Tuber itzcuinzapotl is described as a new species to science. This species is characterized by its pale brown ascomata, finely granular peridium, pale brown to gray gleba, and 22–52 × 15–40 µm alveolate ascospores. The new species is putatively associated with Pinus patula in conifer mixed forests in the state of Veracruz, located in eastern Mexico. Phylogenetic analysis based on the nrITS region places the new species in the Maculatum clade, closely related, but morphologically distinctive, to T. miquihuanense and T. mexiusanum. The new species consumed by the Nahua people, traditionally named “Itzcuinzapotl”, constitutes the first edible truffle with biocultural importance in Mexico. Macro- and micromorphological characterization, results of phylogenetic analysis, and photographs are presented. Ethnomycological aspects related to the species are also briefly discussed.

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