Quercus xanthotricha explained

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.[1] It is placed in subgenus Cerris, section Cyclobalanopsis.[2]

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.[1]

Notes and References

  1. 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
  2. Web site: Denk . Thomas . Grimm . Guido W. . Manos . Paul S. . Deng . Min . Hipp . Andrew L. . 2017 . Appendix 2.1: An updated infrageneric classification of the oaks . figshare . 2023-02-24 . xls . amp .