Quercus disciformis

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This page should be cited as follows (rationale):
Binh H, Ngoc N, Bon T, Tagane S, Suyama Y, Yahara T (2018) A new species and two new records of Quercus (Fagaceae) from northern Vietnam. PhytoKeys (92) : 1–15, doi. Versioned wiki page: 2018-01-09, version 164662, https://species-id.net/w/index.php?title=Quercus_disciformis&oldid=164662 , contributors (alphabetical order): Pensoft Publishers.

Citation formats to copy and paste

BibTeX:

@article{Binh2018PhytoKeys,
author = {Binh, Hoang Thi AND Ngoc, Nguyen Van AND Bon, Trinh Ngoc AND Tagane, Shuichiro AND Suyama, Yoshihisa AND Yahara, Tetsukazu},
journal = {PhytoKeys},
publisher = {Pensoft Publishers},
title = {A new species and two new records of Quercus (Fagaceae) from northern Vietnam},
year = {2018},
volume = {},
issue = {92},
pages = {1--15},
doi = {10.3897/phytokeys.92.21831},
url = {https://phytokeys.pensoft.net/articles.php?id=21831},
note = {Versioned wiki page: 2018-01-09, version 164662, https://species-id.net/w/index.php?title=Quercus_disciformis&oldid=164662 , contributors (alphabetical order): Pensoft Publishers.}

}

RIS/ Endnote:

TY - JOUR
T1 - A new species and two new records of Quercus (Fagaceae) from northern Vietnam
A1 - Binh H
A1 - Ngoc N
A1 - Bon T
A1 - Tagane S
A1 - Suyama Y
A1 - Yahara T
Y1 - 2018
JF - PhytoKeys
JA -
VL -
IS - 92
UR - http://dx.doi.org/10.3897/phytokeys.92.21831
SP - 1
EP - 15
PB - Pensoft Publishers
M1 - Versioned wiki page: 2018-01-09, version 164662, https://species-id.net/w/index.php?title=Quercus_disciformis&oldid=164662 , contributors (alphabetical order): Pensoft Publishers.

M3 - doi:10.3897/phytokeys.92.21831

Wikipedia/ Citizendium:

<ref name="Binh2018PhytoKeys">{{Citation
| author = Binh H, Ngoc N, Bon T, Tagane S, Suyama Y, Yahara T
| title = A new species and two new records of Quercus (Fagaceae) from northern Vietnam
| journal = PhytoKeys
| year = 2018
| volume =
| issue = 92
| pages = 1--15
| pmid =
| publisher = Pensoft Publishers
| doi = 10.3897/phytokeys.92.21831
| url = https://phytokeys.pensoft.net/articles.php?id=21831
| pmc =
| accessdate = 2024-12-23

}} Versioned wiki page: 2018-01-09, version 164662, https://species-id.net/w/index.php?title=Quercus_disciformis&oldid=164662 , contributors (alphabetical order): Pensoft Publishers.</ref>

See also the citation download page at the journal.


Taxonavigation

Ordo: Fagales
Familia: Fagaceae
Genus: Quercus

Name

Quercus disciformis Chun & Tsiang., J. Arnold Arbor. 28: 324 (1947) – Wikispecies link – Pensoft Profile

Type

CHINA. “Hsin-I Hsien, Ling-Tung Pao, Chung-Tung”, 3 Aug. 1931, C. Wang 31087 (holotype-IBK [catalogue no. IBK00081941, image!], isotype-IBSC [catalogue no. 0117316, image!]).

Specimens examined in Vietnam

Ha Noi, Ba Vi District, Ba Vi National Park, in evergreen forest: alt. 737 m, 21°04'33.88"N, 105°22'03"E, 12 Sept. 2016, Binh et al. V 6052, V6053, V6058 [fr.] (FU); alt. 1172 m, 21°03'34.1"N, 105°21'54.1"E, 11 Sep. 2016, Binh et al. V6040 [fr.] (FU).

Distribution

China (Guangdong, Guangxi, Guizhou, Hainan, Hunan) and Vietnam (Ba Vi National Park).

Ecology in Vietnam

In the field survey, only three individuals were found at an altitude of 737 m and one at 1172 m; in evergreen forest.

Phenology

Flowering from March to April, fruiting from August to September in China (Huang 1999). Fruiting in September in Vietnam.

GenBank accession no

Binh et al. V6058: LC331258 (rbcL), LC331255 (matK).

Preliminary conservation status

Quercus disciformis is widely distributed from Guizhou to Guangdong and Hainan in China and not recorded as a threatened species in IUCN (2017)[1]. The Vietnamese population in Ba Vi National Park extends its distribution range, representing the south western limit. Given the situation, the population in Vietnam is locally important but the category Least Concern (LC) (IUCN 2012[2], Ban et al. 2007[3]) would be appropriate for this species.

Taxon Treatment

  • Binh, H; Ngoc, N; Bon, T; Tagane, S; Suyama, Y; Yahara, T; 2018: A new species and two new records of Quercus (Fagaceae) from northern Vietnam PhytoKeys, (92): 1-15. doi

Images

Figure 4. Image of Quercus disciformis Chun & Tsiang. from Binh et al. V6058 (FU) A Leafy twig B Abaxial side of mature leaf C–D Infructescence and mature fruit E Nut F Cupule G Bottom of nut H Vertical section of nut.
Figure 4. Image of Quercus disciformis Chun & Tsiang. from Binh et al. V6058 (FU) A Leafy twig B Abaxial side of mature leaf C–D Infructescence and mature fruit E Nut F Cupule G Bottom of nut H Vertical section of nut. 

Other References

  1. ↑ IUCN (2017) The IUCN Red List of Threatened Species. Version 2017-2. http://www.iucnredlist.org [Downloaded on 10 December 2017]
  2. ↑ IUCN (2012) IUCN Red List Categories and Criteria: Version 3.1. Second edition. Gland, Switzerland and Cambridge, UK. http://jr.iucnredlist.org/documents/redlist_cats_crit_en.pdf [accessed 10 December 2017]
  3. ↑ Ban N, Ly D, Tap N, Dung V, Thin N, Tien V, Khoi K (2007) Vietnam Red Data Book Part II. Plants. Natural Sciences and Technology Publishers, Hanoi. [In Vietnamese]
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