Quercus xanthotricha

{{Short description|Species of oak tree}}

{{Speciesbox

|image =

|status = EN

|status_system = IUCN3.1

|status_ref = {{cite iucn |author= Carrero, C. |date=2021 |title= Quercus xanthotricha |volume=2021 |page= e.T191478A1984873 |doi= 10.2305/IUCN.UK.2021-1.RLTS.T191478A1984873.en |access-date=13 November 2022}}

|genus = Quercus

|display_parents = 2

|parent = Quercus sect. Cyclobalanopsis

|species = xanthotricha

|authority = A.Camus

|synonyms_ref = [http://www.theplantlist.org/tpl1.1/record/kew-175516 The Plant List, Quercus tomentosinervis (Y.C.Hsu & H.Wei Jen) C.C.Huang ]

|synonyms = *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 djiringensis {{Au|A.Camus 1935}}Camus AA: n° 43 ([https://web.archive.org/web/20220201133351/http://oaks.of.the.world.free.fr/quercus_xanthotricha.htm archived]: retrieved 20 April 2024)
  • Quercus fuhsingensis Y.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.[http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=210000414 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 ] It is placed in subgenus Cerris, section Cyclobalanopsis.{{Cite web |last1=Denk |first1=Thomas |last2=Grimm |first2=Guido W. |last3=Manos |first3=Paul S. |last4=Deng |first4=Min |last5=Hipp |first5=Andrew L. |date=2017 |title=Appendix 2.1: An updated infrageneric classification of the oaks |website=figshare |doi=10.6084/m9.figshare.5547622.v1 |url=https://figshare.com/articles/dataset/Appendix_2_1_________An_updated_infrageneric_classification_of_the_oaks/5547622/1 |access-date=2023-02-24 |format=xls |name-list-style=amp }}

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.

References

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