编号
Number
| WH657 | 中文名
Chinese Name | 西南桦 | 英文名
English Name | Alder Birch | 拉丁名
Latin Name
| Betula alnoides Latin Name | 中文科名
Chinese Family Name | 桦木科 | 英文科名
English Family Name | Betulaceae |
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| 商用名或地区名Commercial And Local Name |
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| 树木及其分布 |
乔木（树高10-25m，胸径15-40cm）
Tree ((height10-25m, Diameter at breast height15-40cm
| 外皮皮孔横条状
Lenticels of Outer bark horizontal bars
| 内皮石细胞片状
Stone cell of bark piece-like
| 中国西南
Southwest China
| 中国华南
Southern China
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| 木材构造特征 |
心边材区别不明显
Sapwood heartwood distinction non-obvious
| 心材黄色或黄褐色
Heartwood yellow or yellow brown
| 木材纹理直
Wood straight grain
| 木材结构细
Wood fine texture
| 木材重量中等（气干密度0.56-0.75克/立方厘米)
Wood moderate weight (air-dried density 0.56-0.75g/cube centimeter)
| 生长轮界略明显
Growth ring slightly obvious boundary
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阔叶树材（有孔材）
Broadleaf wood (porous wood )
| 散孔材
Diffuse-porous wood
| （晚材）管孔单个或星散
(latewood ) pores single or scatter
| （晚材）管孔单或2-3个径列
(latewood ) pores single o
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