| 项目 Item | 紫金牛属树种Ardisia species | |||
| 密鳞紫金牛 A. densilepidotula | 铜盆花 A. obtusa | 矮紫金牛 A. humilis | 大罗伞树 A. hanceana | |
| 树皮 Bark | 灰褐色；厚，约4.0 mm Taupe; thick, ca. 4.0 mm | 灰褐色；薄，1.5~2.0 mm Taupe; thin, 1.5~2.0 mm | 棕褐色；厚，约2.0 mm Sepia; thick, ca. 2.0 mm | 灰绿色；薄，约0.5 mm Greyish-green; thin, ca. 0.5 mm |
| 材色 Timber color | 红褐色 Reddish brown | 灰白色，新鲜时淡红褐色 Grayish white, light reddish brown when fresh | 灰色，新鲜时淡红褐色 Gray, light reddish brown when fresh | 白色，新鲜时淡黄褐色 White, light yellowish brown when fresh |
| 木材光泽 Wood luster | 有光泽 Gloss | 无光泽 Dull | 无光泽 Dull | 略具光泽 Little gloss |
| 生长轮 Growth ring | 略明显，5~8轮/cm Slightly obvious, 5~8 circle/cm | 不明显，3~5轮/cm Not obvious, 3~5 circle/cm | 不明显，3~5轮/cm Not obvious, 3~5 circle/cm | 不明显，3~5轮/cm Not obvious, 3~5 circle/cm |
| 宏观木射线 Macro timber ray | 较粗，中至甚宽， 比管孔大 Thick, medium to very wide, bigger than pore | 较粗，稍宽， 比管孔大 Thick, slight wide, bigger than pore | 较粗，稍宽， 比管孔大 Thick, slight wide, bigger than pore | 较细，窄， 比管孔小 Thin, narrow, smaller than pore |
| 导管横切面形状 Cross section shape of vessel | 卵形、椭圆形或圆形， 略具多角形轮廓 Ovate, elliptic or round, slightly polygonal outline | 椭圆形、圆形， 略具多角形轮廓 elliptic, round, slightly polygonal outline | 圆形或椭圆形， 略具多角形轮廓 Round or elliptic, slightly polygonal outline | 椭圆形， 多具多角形轮廓 Elliptic, most have polygonal outline |
| 导管数量 Number of vessel | 38个/mm2 38/mm2 | 30~40个/mm2 30~40/mm2 | 25~32个/mm2 25~32/mm2 | 28~65个/mm2 28~65/mm2 |
| 管孔 Pore | 管孔链2~4个常见， 偶见管孔团 Pore chain (2~4) are common, pore cluster are occasionally | 管孔链2~5个常见， 偶见6个以上，管孔团常见 Pore chain (2~5) are common (6 occasionally), pore cluster are common | 管孔链2~6个常见， 偶见7个以上，管孔团常见 Pore chain (2~6) are common (7 occasionally), pore cluster are common | 管孔链2~4个常见， 偶见5个及以上 Pore chain (2~4) are common (5 or more occasionally) |
| 管孔弦径 Tangential diameter of Pore | 最大97 μm或以上， 多数50~80 μm Maximum 97 μm or above, majority 50~80 μm | 15~45 μm，多数20~35 μm 15~45 μm, majority 20~35 μm | 16~48 μm，多数25~30 μm 16~48 μm, majority 25~30 μm | 15~50 μm，多数20~30 μm 15~50 μm, majority 20~30 μm |
| 管孔内含物 Pore inclusions | 未见 Unseen | 边缘含有棕色树胶 The edge contains brown gum | 边缘常加厚， 含有棕色树胶 The edge is usually thickened, contains brown gum | 偶见边缘常加厚， 含有棕红色树胶 The edge is usually thickened occasionally, contains brownish red gum |
| 导管分子长度 Length of vessel element | 470~1130 μm | 160~640 μm | 80~280 μm | 220~625 μm |
| 导管分子穿孔板 Perforation plates of vessel element | 单穿孔，圆形及卵圆形；穿孔板平行，略倾斜及倾斜 Single perforation, round and oval, parallel, slightly oblique or oblique | 单穿孔，斜列 Single perforation, oblique | 单穿孔，平行或斜列， 以平行为主 Single perforation, parallel or oblique, mainly parallel | 单穿孔，圆形，斜列 Single perforation, round, oblique |
| 轴向薄壁组织 Axial parenchyma | 量少，主为环管状 Few, mostly paratracheal | 无或不明显 Without or not obvious | 无或不明显 Without or not obvious | 无或不明显 Without or not obvious |
| 木射线密度 Timber ray density | 1~2根/mm 1~2/mm | 10~16根/mm； 近髓部20~26根/mm 10~16/mm, near the pith 20~26/mm | 2~3根/mm； 近髓部4~6根/mm 2~3/mm, near the pith 4~6/mm | 3~5根/mm； 近髓部6~10根/mm 3~5/mm, near the pith 6~10/mm |
| 木射线宽度 Timber ray width | 5~10细胞(85~255 μm) 或以上 5~10 cell (85~255 μm) or above | 2~6细胞，通常3~4细胞；15~54 μm，多数为25~40 μm 2~6 cells, usually 3~4 cells; 15~54 μm, majority 25~40 μm | 3~9细胞，通常3~6细胞；40~320 μm， 多数为80~240 μm 3~9 cells, usually 3~6 cells; 40~320 μm, majority 80~240 μm | 1~3细胞，通常2~3细胞；16~80 μm，多数为30~60 μm 1~3 cells, usually 2~3 cells; 16~80 μm, majority 30~60 μm |
| 木射线高度 Timber ray height | 甚高，通常超出切片范围 Very high, usually beyond the range of section | 10~40细胞，多数为15~25细胞；400~2160 μm， 多数为800~1600 μm 10~40 cell, majority 15~25 cell; 400~2160 μm，majority 800~1600 μm | 15~60细胞(超过切片范围)，多数为20~40细胞；300~2500 μm， 多数为1500 μm以上 15~60 cell (beyond the range of section), majority 20~40 cell; 300~2500 μm, majority1500 μm or above | 多数超过30细胞(超过切片范围)；多数2500 μm以上 Majority 30 cell or above (beyond the range of section); majority 2500 μm or above |
| 木射线间距 Timber ray spacing | / | 46~188 μm， 多数为60~120 μm 46~188 μm, majority 60~120 μm | 80~640 μm， 多数为160~400 μm 80~640 μm, majority 160~400 μm | 400~1080 μm， 多数为550~850 μm 400~1080 μm, majority 550~850 μm |
| 木射线细胞大小 Timber ray cell size | / | 直径6~32 μm或长15~95 μm，宽15~35 μm， 常大于或等于管孔 Diameter 6~32 μm or length 15~95 μm, width 15~35 μm, usually greater than or equal to the pore | 直径25~63 μm，常大于管孔 Diameter 6~32 μm, usually greater than pore | 长15~120 μm， 宽15~40 μm， 常小于管孔 length 15~120 μm, width 15~40 μm, usually less than pore |
| 木射线细胞形状 Timber ray cell shape | 椭圆形及卵圆形， 具多角形轮廓 Elliptic or oval, with polygonal outline | 椭圆形、长圆形， 边缘不规则 Elliptic, oblong, margin irregularity | 多数为多角形 Mainly polygonal | 长圆形，边缘不规则 Oblong, margin irregularity |
| 木射线形态 Timber ray morphology | / | 偶见射线中段收窄； 上下两段射线细胞由“S” 形纤维隔开，常见 The ray narrows in the middle occasionally, separated by “S” shaped fiber usually | 偶见射线中段收窄； 上下两段射线细胞由“S” 形纤维隔开，常见 The ray narrows in the middle occasionally, separated by “S” shaped fiber usually | 偶见射线中段收窄 The ray narrows in the middle occasionally |
| 髓心细胞形状 Pith cell shape | / | 4~7角形，5~6角形居多， 边缘不规则 4~7 polygonal, mostly 5~6 polygonal, the margin are irregular | 圆形至椭圆形， 边缘加厚不规则 Round to elliptic, the margin are irregularly thickened | 多角形 Polygonal |
| 髓心细胞大小 Pith cell size | / | 直径16~80 μm， 多数40~65 μm 16~80 μm in diameter, mostly 40~65 μm | 直径30~94 μm， 多数60~78 μm 30~94 μm in diameter, mostly 60~78 μm | 近中心较大，直径50~100 μm，近边缘较小， 直径8~25 μm Larger near the center, 50~100 μm in diameter, smaller near the margin, 8~25 μm in diameter |
| 髓心细胞内含物 Pith cell inclusions | / | 部分细胞含有晶体， 晶体形成晶簇 Some cells contain crystals, which form clusters | 部分细胞含有棕红色树胶，晶体未见 Some cells contain brownish red gum, crystals not found | 晶体未见 Crystals not found |
| 其它 Others | / | / | 髓心具有丰富的维管束 Pith core has abundant vascular bundles | / |