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,v4123 BHL中国
2辽宁植物志239 BHL中国
3内蒙古植物志,v291 BHL中国
4中国植物志,v21123 BHL中国
5Introduction to plant geography and some related sciences. 1960587 BHL全球
6Annals of the Missouri Botanical Gardenv.70 (1983)1983520 BHL全球
7Annals of the Missouri Botanical Gardenv.70 (1983)1983522 BHL全球
8Proceedings of the Entomological Society of Washington.v. 83 1981767 BHL全球
9Gayana.v. 58, no. 1 (2001)29 BHL全球
10Flora 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
11Flora 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
12Biosphere Reserves, Compilation 4, October 1986: programme on man and the biosphere (MAB)1986124 BHL全球
13Biosphere Reserves, Compilation 4, October 1986: programme on man and the biosphere (MAB)1986413 BHL全球
14Biosphere Reserves, Compilation 4, October 1986: programme on man and the biosphere (MAB)1986426 BHL全球
15Protected Landscapes: experience around the world. Prepared for the International Symposium on Protected Landscapes, Grange-over-Sands, England 5-10 October 19871987268 BHL全球
16Protected Landscapes: experience around the world. Prepared for the International Symposium on Protected Landscapes, Grange-over-Sands, England 5-10 October 19871987270 BHL全球
资源志】树皮、芽:清热解毒,化痰,利湿。用于疮疡。