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高山栎Quercus semecarpifolia

时间:2013-09-11 10:46来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ):高山栎 学名( Scientific Name ): Quercus semecarpifolia Smith 英文名( English Common Name ): 别名( Chinese Common Name ): 异名( Synonym ): Quercus cassura Buch.-Ham. ex D.Don 科属( Family Genus ): 壳
中文名(Chinese Name):高山栎
学名(Scientific Name):Quercus semecarpifolia Smith
英文名(English Common Name):
别名(Chinese Common Name):
异名(Synonym):Quercus cassura Buch.-Ham. ex D.Don
科属(Family & Genus):壳斗科(Fagaceae)栎属
形态特征Description):常绿乔木,高达30米。小枝幼时被星状毛,后渐脱落,具长圆形皮孔。叶片椭圆形或长椭圆形,长5-12厘米,宽3-6.5厘米,顶端圆钝,基部浅心形,全缘或具刺状锯齿,叶面无毛或有稀疏星状毛,叶背被棕色星状毛及糠秕状粉末,侧脉每边8-14条;叶柄长2-6毫米,无毛或有微毛。雄花序生于新枝基部,长3-5厘米,除花序轴被灰褐色长毛外均无毛。果序长2-7厘米,果序轴无毛,着生坚果1-2个。壳斗浅碗形或碟形,通常近于平展,包着坚果基部,直径1.5-2.5厘米,高5-8毫米;小苞片披针形,长2-3毫米,被灰白色短绒毛,顶端褐色。坚果近球形,直径2-3厘米,无毛或近顶部微有毛,有时带紫褐色;果脐平坦或微突起,径约6毫米。
分布(Distribution):产西藏。生于海拔2600-4000米的山坡、山谷栎林或松栎林中。
用途(Use):
引自中国植物志英文版FOC Vol. 4 Page 375
Quercus semecarpifolia Smith in Rees, Cycl. 29: Quercus no. 20. 1814.
高山栎 gao shan li  | Fagaceae  | Quercus
Trees to 30 m tall, evergreen. Branchlets with prominent stellate hairs, glabrescent, lenticellate; lenticels narrowly rounded. Petiole 2-6 mm, brown tomentose and with stellate hairs, glabrescent; leaf blade elliptic to narrowly so, 5-12 × 3-6.5 cm, abaxially with brown stellate hairs and scurfy powder, adaxially glabrescent or sparsely with stellate hairs, base shallowly cordate, margin entire or with spiniform teeth, apex obtuse; secondary veins 8-14 on each side of midvein; tertiary veins usually abaxially obscured by indumentum. Infructescence with 1 or 2 cupules, 2-7 cm, glabrous. Cupule shallowly bowl-shaped to discoid, 5-8 mm × 1.5-2.5 cm, at maturity inside wall usually in contact with nut ± only in region of scar, inside with a thick pale grayish brown indumentum; bracts lanceolate, 2-3 mm, grayish pubescent, apex brown. Nut sometimes purple-brown, subglobose, 2-3 cm in diam., glabrous or apex glabrescent; scar ca. 6 mm in diam., flat or slightly raised; stylopodium ca. 1 mm in diam. Fl. May-Jun, fr. Aug-Oct of following year.
Montane forests; 2600-4000 m. S Xizang [Afghanistan, India, Nepal, Pakistan]
 




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