編號
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 |
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| 商用名或地區(qū)名Commercial And Local Name |
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| 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
| 內皮石細胞粒狀
Stone cell of bark grains-like
| 材表細長槽棱
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
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| 木材構造特征 |
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
| 木材結構細
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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