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夏栎Quercus robur

时间:2018-06-28 12:34来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ): 夏栎 学名( Scientific Name ): Quercus robur L. 英文名( English Common Name ): 别名( Chinese Common Name ): 异名( Synonym ): Quercus robur subsp. eurobur A.Camus Quercus robur var. typica Beck Quercus
中文名(Chinese Name):夏栎
学名(Scientific Name):Quercus robur L.
英文名(English Common Name):
别名(Chinese Common Name):
异名(Synonym):Quercus robur subsp. eurobur A.Camus  Quercus robur var. typica Beck  Quercus robur var. vulgaris A.DC.
科属(Family & Genus):壳斗科Fagaceae栎属Quercus
形态特征(Description):落叶乔木,树高可达40米。幼枝被毛,不久即脱落;小枝赭色,无毛,被灰色长圆形皮孔;冬芽卵形,芽鳞多数,紫红色,无毛。叶片长倒卵形至椭圆形,长6-20厘米,宽3-8厘米,顶端圆钝,基部为不甚平整的耳形,叶缘有4-7对深浅不等的圆钝锯齿,叶面淡绿色,叶背粉绿色,侧脉每边6-9条;叶柄长3-5毫米。果序纤细,长4-10厘米,径约1.5厘米,着生果实2-4个。壳斗钟形,直径1.5-2厘米,包着坚果基部约1/5;小苞片三角形,排列紧密,被灰色细绒毛。坚果当年成熟,卵形或椭圆形,直径1-1.5厘米,高2-3.5厘米,无毛;果脐内陷,径5-7毫米。花期3-4月,果期9-10月。
分布(Distribution):原产欧洲法国、意大利等地。
用途(Use):木材坚重,供建筑、桥梁、车辆、家具用材;坚果含淀粉54.4%,单宁6.9%,蛋白质5.7%,油脂4.6%。
引自中国植物志英文版: FOC Vol. 4 Page 375
Quercus robur Linnaeus, Sp. Pl. 2: 996. 1753.
夏栎 xia li | Fagaceae  | Quercus
Trees 40-50 m tall, deciduous. Young branchlets pubescent, soon glabrescent; branchlets reddish brown, glabrous, lenticellate; lenticels brownish, rounded. Petiole 2-5 mm, glabrous; leaf blade obovate to narrowly so, 5-17 × 2-10 cm, abaxially greenish and hairy along veins but glabrescent, adaxially green, base narrowly rounded to auriculate, margin with 5-7 rounded or retuse lobes on each side, apex truncate to shortly acuminate; secondary veins 5-7(-10) on each side of midvein. Female inflorescences axillary on apical part of young shoot, 0.5-2 cm. Perianth usually 6-lobed. Cupule shallowly cupular, ca. 8 mm × 1.2-1.5 cm, enclosing ca. 1/3 of nut; bracts triangular, ca. 1.5 mm, flat or abaxially slightly protruding, sparsely pubescent. Nut ovoid to ovoid-ellipsoid, 1.5-1.8 × 1-1.3 cm, apex pubescent; scar ca. 5 mm in diam., slightly raised. Fl. May-Jun, fr. Sep-Oct.
Cultivated. Beijing Shi, Shandong, Xinjiang [native to Europe]
 


 

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