A new Oligocene-Miocene tree from Panama and historical Anacardium migration patterns.

Migration of Boreotropical megathermal taxa during the Oligocene and Miocene played a key role in assembling diversity in tropical regions. Despite scattered fossil reports, the cashew genus Anacardium offers an excellent example of such migration. The fossil woods described here come from localitie...

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Autores principales:	Oris Rodríguez-Reyes, Emilio Estrada-Ruiz, Camila Monje Dussán, Lilian de Andrade Brito, Teresa Terrazas
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/bfb08115e91c4c08ba7d8ccac3a1d910
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spelling	oai:doaj.org-article:bfb08115e91c4c08ba7d8ccac3a1d9102021-12-02T20:05:23ZA new Oligocene-Miocene tree from Panama and historical Anacardium migration patterns.1932-620310.1371/journal.pone.0250721https://doaj.org/article/bfb08115e91c4c08ba7d8ccac3a1d9102021-01-01T00:00:00Zhttps://doi.org/10.1371/journal.pone.0250721https://doaj.org/toc/1932-6203Migration of Boreotropical megathermal taxa during the Oligocene and Miocene played a key role in assembling diversity in tropical regions. Despite scattered fossil reports, the cashew genus Anacardium offers an excellent example of such migration. The fossil woods described here come from localities in Veraguas, Panama mapped as Oligocene-Miocene. We studied, described, and identified two well-preserved specimens using wood anatomical characteristics and completed extensive comparisons between fossil and extant material. The studied fossil woods share several diagnostic features with the modern Anacardium genus, including large solitary vessels, large intervessel-pitting, a simple vessel-ray pitting pattern, and mostly 1-3 seriate rays with large rhomboidal solitary crystals. We propose a new fossil species named Anacardium gassonii sp. nov., that adds an essential piece to the understanding of the historical biogeography of the genus. In addition, our findings confirm previous interpretations of this species' migration from Europe to North America and its crossing through Panama, leading to subsequent diversification in South America. This discovery provides an important link to the historical migration patterns of the genus, supporting the notion of an Eocene migration to the Neotropics via Boreotropical bridges, as well as an Oligocene-Miocene crossing of Central America followed by diversification in South America.Oris Rodríguez-ReyesEmilio Estrada-RuizCamila Monje DussánLilian de Andrade BritoTeresa TerrazasPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 16, Iss 6, p e0250721 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Oris Rodríguez-Reyes Emilio Estrada-Ruiz Camila Monje Dussán Lilian de Andrade Brito Teresa Terrazas A new Oligocene-Miocene tree from Panama and historical Anacardium migration patterns.
description	Migration of Boreotropical megathermal taxa during the Oligocene and Miocene played a key role in assembling diversity in tropical regions. Despite scattered fossil reports, the cashew genus Anacardium offers an excellent example of such migration. The fossil woods described here come from localities in Veraguas, Panama mapped as Oligocene-Miocene. We studied, described, and identified two well-preserved specimens using wood anatomical characteristics and completed extensive comparisons between fossil and extant material. The studied fossil woods share several diagnostic features with the modern Anacardium genus, including large solitary vessels, large intervessel-pitting, a simple vessel-ray pitting pattern, and mostly 1-3 seriate rays with large rhomboidal solitary crystals. We propose a new fossil species named Anacardium gassonii sp. nov., that adds an essential piece to the understanding of the historical biogeography of the genus. In addition, our findings confirm previous interpretations of this species' migration from Europe to North America and its crossing through Panama, leading to subsequent diversification in South America. This discovery provides an important link to the historical migration patterns of the genus, supporting the notion of an Eocene migration to the Neotropics via Boreotropical bridges, as well as an Oligocene-Miocene crossing of Central America followed by diversification in South America.
format	article
author	Oris Rodríguez-Reyes Emilio Estrada-Ruiz Camila Monje Dussán Lilian de Andrade Brito Teresa Terrazas
author_facet	Oris Rodríguez-Reyes Emilio Estrada-Ruiz Camila Monje Dussán Lilian de Andrade Brito Teresa Terrazas
author_sort	Oris Rodríguez-Reyes
title	A new Oligocene-Miocene tree from Panama and historical Anacardium migration patterns.
title_short	A new Oligocene-Miocene tree from Panama and historical Anacardium migration patterns.
title_full	A new Oligocene-Miocene tree from Panama and historical Anacardium migration patterns.
title_fullStr	A new Oligocene-Miocene tree from Panama and historical Anacardium migration patterns.
title_full_unstemmed	A new Oligocene-Miocene tree from Panama and historical Anacardium migration patterns.
title_sort	new oligocene-miocene tree from panama and historical anacardium migration patterns.
publisher	Public Library of Science (PLoS)
publishDate	2021
url	https://doaj.org/article/bfb08115e91c4c08ba7d8ccac3a1d910
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A new Oligocene-Miocene tree from Panama and historical Anacardium migration patterns.

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