A new species and two new records of Quercus (Fagaceae) from northern Vietnam

Abstract. A new species, Quercus xuanlienensis Binh, Ngoc & Bon, is described from Xuan Lien Nature Reserve, Vietnam. The new species is morphologically similar to Q. edithiae Skan, in having 8–11 pairs of secondary veins, bowl-shaped cupules and ellipsoid to cylindrical-ellipsoid and basally co...

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Autores principales: Binh, Hoang Thi, Ngoc, Nguyen Van, Bon, Trinh Ngoc, Tagane, Shuichiro, Suyama, Yoshihisa, Yahara, Tetsukazu
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Pensoft Publishers 2018
Materias:
Research Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5770563/
https://www.ncbi.nlm.nih.gov/pubmed/29362550
http://dx.doi.org/10.3897/phytokeys.92.21831
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author Binh, Hoang Thi
Ngoc, Nguyen Van
Bon, Trinh Ngoc
Tagane, Shuichiro
Suyama, Yoshihisa
Yahara, Tetsukazu
author_facet Binh, Hoang Thi
Ngoc, Nguyen Van
Bon, Trinh Ngoc
Tagane, Shuichiro
Suyama, Yoshihisa
Yahara, Tetsukazu
author_sort Binh, Hoang Thi
collection PubMed
description Abstract. A new species, Quercus xuanlienensis Binh, Ngoc & Bon, is described from Xuan Lien Nature Reserve, Vietnam. The new species is morphologically similar to Q. edithiae Skan, in having 8–11 pairs of secondary veins, bowl-shaped cupules and ellipsoid to cylindrical-ellipsoid and basally convex nuts. It differs in having serrulate leaf margins only at apical 1/5–1/7, almost entire margins of bracts on cupule and much longer nuts. The species is also similar to Q. fleuryi Hickel & A. Camus in having leaves glabrous on both surfaces with only an apically serrulate margin but differs in having shorter petioles, cupules enclosing 1/5 of the nut and much longer nuts. In addition, Q. disciformis Chun & Tsiang. and Q. bella Chun & Tsiang., previously known from China, are newly recorded from Ba Vi National Park, Vietnam.
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spelling pubmed-57705632018-01-23 A new species and two new records of Quercus (Fagaceae) from northern Vietnam Binh, Hoang Thi Ngoc, Nguyen Van Bon, Trinh Ngoc Tagane, Shuichiro Suyama, Yoshihisa Yahara, Tetsukazu PhytoKeys Research Article Abstract. A new species, Quercus xuanlienensis Binh, Ngoc & Bon, is described from Xuan Lien Nature Reserve, Vietnam. The new species is morphologically similar to Q. edithiae Skan, in having 8–11 pairs of secondary veins, bowl-shaped cupules and ellipsoid to cylindrical-ellipsoid and basally convex nuts. It differs in having serrulate leaf margins only at apical 1/5–1/7, almost entire margins of bracts on cupule and much longer nuts. The species is also similar to Q. fleuryi Hickel & A. Camus in having leaves glabrous on both surfaces with only an apically serrulate margin but differs in having shorter petioles, cupules enclosing 1/5 of the nut and much longer nuts. In addition, Q. disciformis Chun & Tsiang. and Q. bella Chun & Tsiang., previously known from China, are newly recorded from Ba Vi National Park, Vietnam. Pensoft Publishers 2018-01-09 /pmc/articles/PMC5770563/ /pubmed/29362550 http://dx.doi.org/10.3897/phytokeys.92.21831 Text en Hoang Thi Binh, Nguyen Van Ngoc, Trinh Ngoc Bon, Shuichiro Tagane, Yoshihisa Suyama, Tetsukazu Yahara http://creativecommons.org/licenses/by/4.0/ This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
spellingShingle Research Article
Binh, Hoang Thi
Ngoc, Nguyen Van
Bon, Trinh Ngoc
Tagane, Shuichiro
Suyama, Yoshihisa
Yahara, Tetsukazu
A new species and two new records of Quercus (Fagaceae) from northern Vietnam
title A new species and two new records of Quercus (Fagaceae) from northern Vietnam
title_full A new species and two new records of Quercus (Fagaceae) from northern Vietnam
title_fullStr A new species and two new records of Quercus (Fagaceae) from northern Vietnam
title_full_unstemmed A new species and two new records of Quercus (Fagaceae) from northern Vietnam
title_short A new species and two new records of Quercus (Fagaceae) from northern Vietnam
title_sort new species and two new records of quercus (fagaceae) from northern vietnam
topic Research Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5770563/
https://www.ncbi.nlm.nih.gov/pubmed/29362550
http://dx.doi.org/10.3897/phytokeys.92.21831
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