A new species and two new records of Quercus (Fagaceae) from northern Vietnam
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....
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| Định dạng: | Journal article |
| Ngôn ngữ: | English |
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2023
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| Truy cập trực tuyến: | https://scholar.dlu.edu.vn/handle/123456789/3075 https://phytokeys.pensoft.net/article/21831/ |
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| Thư viện lưu trữ: | Thư viện Trường Đại học Đà Lạt |
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oai:scholar.dlu.edu.vn:123456789-30752023-10-06T09:28:59Z A new species and two new records of Quercus (Fagaceae) from northern Vietnam Hoàng, Thị Bình Ngoc, Nguyen Van Bon, Trinh Ngoc Tagane, Shuichiro Suyama, Yoshihisa Yahara, Tetsukazu 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. 2023-10-06T09:28:52Z 2023-10-06T09:28:52Z 2018 Journal article Bài báo đăng trên tạp chí thuộc ISI, bao gồm book chapter 1314-2003 https://scholar.dlu.edu.vn/handle/123456789/3075 10.3897/phytokeys.92.21831 https://phytokeys.pensoft.net/article/21831/ en PhytoKeys |
| institution |
Thư viện Trường Đại học Đà Lạt |
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Thư viện số |
| language |
English |
| description |
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. |
| format |
Journal article |
| author |
Hoàng, Thị Bình Ngoc, Nguyen Van Bon, Trinh Ngoc Tagane, Shuichiro Suyama, Yoshihisa Yahara, Tetsukazu |
| spellingShingle |
Hoàng, Thị Bình 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 |
| author_facet |
Hoàng, Thị Bình Ngoc, Nguyen Van Bon, Trinh Ngoc Tagane, Shuichiro Suyama, Yoshihisa Yahara, Tetsukazu |
| author_sort |
Hoàng, Thị Bình |
| title |
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_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_sort |
new species and two new records of quercus (fagaceae) from northern vietnam |
| publishDate |
2023 |
| url |
https://scholar.dlu.edu.vn/handle/123456789/3075 https://phytokeys.pensoft.net/article/21831/ |
| _version_ |
1779438024684208128 |