Quercus xanthotricha

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Quercus xanthotricha
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Fagales
Family: Fagaceae
Genus: Quercus
Subgenus: Quercus subg. Cerris
Section: Quercus sect. Cyclobalanopsis
Species:
Q. xanthotricha
Binomial name
Quercus xanthotricha
Synonyms [2]
  • Cyclobalanopsis fuhsingensis(Y.T.Chang) Y.T.Chang ex Y.C.Hsu & H.W.Jen
  • Cyclobalanopsis xanthotricha(A.Camus) Y.C.Hsu & H.Wei Jen
  • Quercus djiringensisA.Camus 1935 [3]
  • Quercus fuhsingensisY.T.Chang

Quercus xanthotricha is an Asian species of tree in the beech family Fagaceae. It has been found in Indochina (Laos, Vietnam) and in southern China (Yunnan); the synonym Q. djiringensis suggests it may be distributed as far south as Di Linh in Lâm Đồng Province. [4] It is placed in subgenus Cerris, section Cyclobalanopsis. [5]

Description

Quercus xanthotricha is a small tree growing 5-8 m. tall. Twigs are dark purple. Leaves are 50-80 x 15-30 mm and narrowly elliptic. The acorn is ovoid to ellipsoid, 9-13 mm long x 7-10 mm in diameter, on a stalk up to 40 mm long, with a scar that is 4–6 mm in diameter. The cup is 4-6 mm long x 6-10 mm wide, silky inside, with 5-6 slightly denticulate concentric rings. [3] [4]

Related Research Articles

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<i>Quercus argyrotricha</i> Species of tree

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Quercus augustinii is a rare species of tree in the beech family Fagaceae. It has been found in Vietnam as well as Guangxi, Guizhou, and Yunnan Provinces in southern China. It is placed in subgenus Cerris, section Cyclobalanopsis.

Quercus austrocochinchinensis is an uncommon species of tree in the beech family Fagaceae. It has been found in Vietnam and Thailand as well as Yunnan Province in southern China. It is placed in subgenus Cerris, section Cyclobalanopsis.

Quercus bella is an uncommon species of oak tree. It is native to Guangdong, Guangxi, Yunnan, and Hainan provinces of southern China and to northern Vietnam. It is placed in subgenus Cerris, section Cyclobalanopsis.

Quercus camusiae is an uncommon species of tree in the family Fagaceae. It has been found in Vietnam and southern China (Yunnan).

Quercus chevalieri is an uncommon species of tree in the beech family Fagaceae. It has been found in Vietnam and also in southern China, in the Provinces of Guangdong, Guangxi, and Yunnan. It is placed in subgenus Cerris, section Cyclobalanopsis.

Quercus gambleana is a species of tree in the beech family Fagaceae. It has been found in northeastern India and southwestern China. It is placed in subgenus Cerris, section Cyclobalanopsis.

Quercus jinpinensis is an uncommon Asian species of trees in the beech family Fagaceae. It is native to southern China, found only in the Province of Yunnan. It is placed in subgenus Cerris, section Cyclobalanopsis.

Quercus kouangsiensis is an uncommon Asian species of trees in the beech family Fagaceae. It has been found only in southern China, in the Provinces of Guangdong, Guangxi, Hunan, and Yunnan. It is placed in subgenus Cerris, section Cyclobalanopsis.

Quercus motuoensis is an uncommon Asian species of trees in the beech family Fagaceae. It has been found only in Tibet, but may be extinct. It is placed in subgenus Cerris, section Cyclobalanopsis.

Quercus ningangensis is an Asian species of trees in the beech family Fagaceae. It is native to southern China. It is placed in subgenus Cerris, section Cyclobalanopsis.

Quercus poilanei is an Asian species of tree in the family Fagaceae. It has been found in northern Indochina and also in the Province of Guangxi in southern China. It is placed in subgenus Cerris, section Cyclobalanopsis.

Quercus saravanensis is an Asian species of tree in the beech family Fagaceae. It has been found in northern Indochina, and also in the Province of Yunnan in southwestern China. It is placed in subgenus Cerris, section Cyclobalanopsis.

Quercus stewardiana is a species of tree in the beech family Fagaceae. It is widespread across much of China. It is placed in subgenus Cerris, section Cyclobalanopsis.

Quercus thorelii is an Asian species of tree in the beech family Fagaceae. The species is named after the French botanist Clovis Thorel. It has been found in Indochina and in southern China. It is placed in subgenus Cerris, section Cyclobalanopsis, the ring-cupped oaks.

Quercus tomentosinervis is an Asian species of tree in the beech family Fagaceae. It has been found only in southern China. It is placed in subgenus Cerris, section Cyclobalanopsis.

Quercus langbianensis is an uncommon oak tree species in the family Fagaceae. It is placed in subgenus Cerris, section Cyclobalanopsis, the ring-cupped oaks. These differ from other Quercus groups in that they have acorns with distinctive cups: usually with substantial rings, made-up of scales that have grown together. This species can be found in sub-tropical and tropical seasonal forests of Vietnam.

References

  1. ↑ Carrero, C. (2021). "Quercus xanthotricha". IUCN Red List of Threatened Species . 2021: e.T191478A1984873. doi: 10.2305/IUCN.UK.2021-1.RLTS.T191478A1984873.en . Retrieved 13 November 2022.
  2. ↑ The Plant List, Quercus tomentosinervis (Y.C.Hsu & H.Wei Jen) C.C.Huang
  3. 1 2 Camus AA: n° 43 (archived: retrieved 20 April 2024)
  4. 1 2 Flora of China, Cyclobalanopsis xanthotricha (A. Camus) Y. C. Hsu & H. W. Jen, J. Beijing Forest. Univ. 15(4): 45. 1993. 思茅青冈 si mao qing gang
  5. ↑ Denk, Thomas; Grimm, Guido W.; Manos, Paul S.; Deng, Min & Hipp, Andrew L. (2017). "Appendix 2.1: An updated infrageneric classification of the oaks" (xls). figshare. Retrieved 2023-02-24.
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