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.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.
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.
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