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Quercus xanthotricha

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Quercus xanthotricha
Scientific classification Edit this classification
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[3]
  • 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 A.Camus 1935[2]
  • 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.[4] It is placed in subgenus Cerris, section Cyclobalanopsis.[5]

Description

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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.[2][4]

References

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  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. ^ a b Camus AA: n° 43 (archived: retrieved 20 April 2024)
  3. ^ The Plant List, Quercus tomentosinervis (Y.C.Hsu & H.Wei Jen) C.C.Huang
  4. ^ a b 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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  • Data related to Quercus at Wikispecies