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Betula ermanii

名称状态:被SP2000收录,状态为:Betula ermanii为接受名
科属名称:Betulaceae(桦木科)  桦木属
中文名:岳桦
形态描述:乔木;高8-15 (20)米;树皮灰白色,成层、大片剥裂。枝条红褐色,无毛;幼枝暗绿色,密被长柔毛,稍有树脂腺体;芽鳞密被白色绒毛。叶三角状卵形,宽卵形或卵形,长2-7厘米,宽1.2-5厘米,顶端锐尖、渐尖,有时成短尾状,基部圆形,截形,宽楔形或微心形,边缘具规则或不规则的锐尖重锯齿,上面疏被毛,下面几无毛,密被腺点,侧脉8-12对,两面沿脉均密被长柔毛;叶柄长1-2.4厘米,幼时密被长柔毛,以后毛渐脱落。果序单生,直立,矩圆形,长1.5-2.7厘米,直径8-15毫米;序梗短,长3-5毫米,密被白色长柔毛;果苞长约5-8毫米,除边缘具纤毛外,其余无毛,基部楔形,3枚裂片均为倒披针形或披针形,侧裂片近直立,稍短于中裂片。小坚果倒卵形或长卵形,长约2.5毫米,宽1-8-2毫米,膜质翅宽为果的其/2或1/3。
国内分布:黑龙江、吉林、辽宁、内蒙古
全球观测记录分布(数据来自GBIF):
                    
序号标题卷册作者年份页码数据源
1 黑龙江植物志,v4 123  BHL中国
2 辽宁植物志 239  BHL中国
3 内蒙古植物志,v2 91  BHL中国
4 中国植物志,v21 123  BHL中国
5 Introduction to plant geography and some related sciences. 1960 587  BHL全球
6 Annals of the Missouri Botanical Garden v.70 (1983) 1983 520  BHL全球
7 Annals of the Missouri Botanical Garden v.70 (1983) 1983 522  BHL全球
8 Proceedings of the Entomological Society of Washington. v. 83 1981 767  BHL全球
9 Gayana. v. 58, no. 1 (2001) 29  BHL全球
10 Flora of Japan : in English : combined, much revised and extended translation / by the author of his Flora of Japan (1953) and Flora of Japan, Pteridophyta (1957) ; edited by Frederick G. Meyer and Egbert H. Walker. BHL全球
11 Flora of Japan : in English : combined, much revised and extended translation / by the author of his Flora of Japan (1953) and Flora of Japan, Pteridophyta (1957) ; edited by Frederick G. Meyer and Egbert H. Walker. 373  BHL全球
12 Biosphere Reserves, Compilation 4, October 1986: programme on man and the biosphere (MAB) 1986 124  BHL全球
13 Biosphere Reserves, Compilation 4, October 1986: programme on man and the biosphere (MAB) 1986 413  BHL全球
14 Biosphere Reserves, Compilation 4, October 1986: programme on man and the biosphere (MAB) 1986 426  BHL全球
15 Protected Landscapes: experience around the world. Prepared for the International Symposium on Protected Landscapes, Grange-over-Sands, England 5-10 October 1987 1987 268  BHL全球
16 Protected Landscapes: experience around the world. Prepared for the International Symposium on Protected Landscapes, Grange-over-Sands, England 5-10 October 1987 1987 270  BHL全球
资源志】树皮、芽:清热解毒,化痰,利湿。用于疮疡。