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FOC | Family List | FOC Vol. 4 | Fagaceae | Quercus

1. Quercus acutissima Carruthers, J. Linn. Soc., Bot. 6: 33. 1862.

麻栎 ma li

Quercus acutissima var. depressinucata H. W. Jen & R. Q. Gao; Q. acutissima var. septentrionalis Liou; Q. lunglingensis Hu.

Trees to 30 m tall, deciduous. Young branchlets 1.5-2 mm in diam., yellowish gray tomentose, glabrescent, yellowish gray with age, lenticellate; lenticels yellowish brown. Petiole 1-3(-5) cm, tomentose, glabrescent; leaf blade narrowly elliptic-lanceolate, 8-19 × 2-6 cm, concolorous, tomentose, glabrescent or only veins abaxially tomentose with age, base rounded to broadly cuneate, margin with spiniform teeth, apex long acuminate; secondary veins 13-18 on each side of midvein, fusing at serration; tertiary veins abaxially slender, evident, ± parallel. Cupules on previous year’s branchlets, 1 or 2, cupular to discoid, 1.9-4.2 cm in diam. including bracts, enclosing 1/4-1/2 of nut; bracts subulate to ligulate, ca. 1.5 , reflexed, canescent. Nut ovoid to ellipsoid, 1.5-2 × 1.7-2.2 cm, apex impressed; scar ca. 1 cm in diam., raised; stylopodium ca. 4 mm in diam., pale grayish brown sericeous. Fl. Mar-Apr, fr. Sep-Oct of following year.

Deciduous forests; below 100-2200 m. Anhui, Fujian, Guangdong, Guangxi, Guizhou, Hainan, Hebei, Henan, Hubei, Hunan, Jiangsu, Jiangxi, Liaoning, Shaanxi, Shandong, Shanxi, Sichuan, SE Xizang, Yunnan, Zhejiang [Bhutan, Cambodia, NE India, Japan, Korea, Myanmar, Nepal, N Thailand, Vietnam]


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