編號(hào)
Number
| WH157 | 中文名
Chinese Name | 珙桐 | 英文名
English Name | Dove-Tree | 拉丁名
Latin Name
| Davidia involucrata Latin Name | 中文科名
Chinese Family Name | 紫樹科 | 英文科名
English Family Name | Nyssaceae |
| | 商用名或地區(qū)名Commercial And Local Name | |  | | 樹木及其分布 | 大喬木（樹高>25m，胸徑>40cm）
Big tree (height)>25m,Diameter at breast height>40cm
| 樹皮中等厚（皮厚5-10mm）
Bark thickness moderate (thickness 5-10mm)
| 外皮淺縱裂（裂口寬度與深度<5mm）
Outer bark surface longitudinal shallow fissured
| 內(nèi)皮石細(xì)胞粒狀
Stone cell of bark grains-like
| 材表細(xì)長槽棱
Process fusiform fissures long and thin in log surface
| 中國西南
Southwest China
| 長江中下游
Middium, lower reaches of Yangze River
|
| | 木材構(gòu)造特征 | 心邊材區(qū)別不明顯
Sapwood heartwood distinction non-obvious
| 邊材黃白或淺黃褐色
Sapwood yellow white or light yellow brown
| 木材無特殊氣味
Wood non-characteristic odor
| 木材紋理直
Wood straight grain
| 木材結(jié)構(gòu)細(xì)
Wood fine texture
| 木材重量中等（氣干密度0.56-0.75克/立方厘米)
Wood moderate weight (air-dried density 0.56-0.75g/cube centimeter)
| 生長輪界不明顯
Growth ring boundary non- obvious
| 早材過渡到晚材緩變
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