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A new species of Struthanthus Mart. (Loranthaceae) from Oaxaca, Mexico.

ABSTRACT: Struthanthusibe-dzisp. nov. is a new species described and illustrated from the cloud and pine-oak forests of the Sierra Madre del Sur in Oaxaca, Mexico. This species shares similarities of leaf shape and inflorescence type with S.deppeanus, S.quercicola, and S.ramiro-cruzii. However, S.ibe-dzi can be recognized by its glaucous branches, leaves and inflorescences; compressed nodes; convoluted distal half of styles in pistillate flowers; and staminate flowers with asymmetrical thecae and an extended connective forming an apiculate horn in both anther series. A distribution map and an identification key are provided to separate S.ibe-dzi from morphologically similar congeners present in the region.

SUBMITTER: Maldonado-Borja MG

PROVIDER: S-EPMC10194811 | biostudies-literature | 2023

REPOSITORIES: biostudies-literature

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A new species of Struthanthus Mart. (Loranthaceae) from Oaxaca, Mexico.

Maldonado-Borja Maria Guadalupe MG Cerros-Tlatilpa Rosa R Galván-González Luis Gil LG

PhytoKeys 20230421

Struthanthusibe-dzisp. nov. is a new species described and illustrated from the cloud and pine-oak forests of the Sierra Madre del Sur in Oaxaca, Mexico. This species shares similarities of leaf shape and inflorescence type with S.deppeanus, S.quercicola, and S.ramiro-cruzii. However, S.ibe-dzi can be recognized by its glaucous branches, leaves and inflorescences; compressed nodes; convoluted distal half of styles in pistillate flowers; and staminate flo ...[more]

PMID: 37213817

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Project description:BackgroundFor centuries, wild mushrooms have been a forest resource of significant cultural value in several ethnic groups worldwide. In Mexico, extensive traditional knowledge on the use of fungal resources has been developed and deeply rooted. Mexico is the second country in the world in which the most species of wild mushroom are consumed, and it is considered a pioneer in ethnomycology. Nonetheless, there are still many indigenous groups in this country that have not been studied from an ethnomycological approach. The present study aimed to record the traditional knowledge on wild mushrooms in three indigenous groups of the state of Oaxaca, Mexico, and assess the variation in this knowledge within and across the studied groups.MethodsThe data were recorded from April to October 2022 within three communities belonging to the indigenous groups Chatino, Chontal, and Chinanteco. Through 84 interviews, information related to their knowledge of wild mushrooms was obtained. The cultural significance index of wild edible mushrooms was calculated for each community. Regression analyses, analysis of variance and covariance, t test, and non-metric multidimensional scaling analysis were performed to assess the distribution of traditional knowledge in the communities.ResultsA total of 32 culturally important mushroom species were recorded for the three indigenous groups (30 edible, 2 medicinal); 23 used by Chatinos, 16 by Chontales, and 6 by Chinantecos. Only Chatinos and Chinantecos use wild mushrooms in medicine. The cultural significance of wild edible mushrooms differed among groups. Traditional knowledge about wild mushrooms declines when the level of schooling increases and age decreases, especially in the Chatino group. This knowledge distributes more homogeneously in the Chontal and Chinanteco groups. Their age determines the difference in knowledge between men and women.ConclusionDocumenting how traditional knowledge differs among ethnic groups is relevant for preserving cultural and biological diversity. Factors such as level of schooling and age can affect traditional knowledge of wild mushrooms, but the effects of these factors vary within and across communities. Conducting studies encompassing a broader range of variables is of interest for a better understanding of the human-mushroom relationship.

Dataset Information

A new species of Struthanthus Mart. (Loranthaceae) from Oaxaca, Mexico.

Publications

A new species of <i>Struthanthus</i> Mart. (Loranthaceae) from Oaxaca, Mexico.

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Dataset Information

A new species of Struthanthus Mart. (Loranthaceae) from Oaxaca, Mexico.

Publications

﻿A new species of <i>Struthanthus</i> Mart. (Loranthaceae) from Oaxaca, Mexico.

Similar Datasets

OmicsDI is part of the ELIXIR infrastructure

Tweets

A new species of <i>Struthanthus</i> Mart. (Loranthaceae) from Oaxaca, Mexico.