Sample no. | Locality | Grade | Morphological description | Mean thickness (mm) | Proportions of each tissue (%) | ||||
---|---|---|---|---|---|---|---|---|---|
Surface | Cross-section | CK | C | PE | PH | ||||
RGyueaj | Wen’an, Vietnam | Grade A | Externally greyish-white, slightly rough, showing greyish-green streak, internally reddish-brown | Pericycle banded | 3.7 | 6 | 13 | 5 | 76 |
RGyuebj | Wen’an, Vietnam | Grade B | Both externally and internally reddish-brown, slightly even | Pericycle banded | 3.0 | – | 20 | 14 | 66 |
RGyuecj | Wen’an, Vietnam | Grade C | Externally greyish-brown, slightly rough, showing greyish-white streak, internally reddish-brown | Pericycle banded | 3.1 | 6 | 17 | 11 | 66 |
RGgxdxjcy | Guangxi, China | Not specific | Externally greyish-brown, slightly rough, internally pale brown | Pericycle banded | 3.1 | 7 | 24 | 28 | 41 |
RGgxpnjcy | Guangxi, China | Not specific | Externally brown, slightly rough, internally brownish-red | Pericycle banded | 2.4 | 4 | 20 | 11 | 65 |
RGgddqjcy | Guangdong, China | Not specific | Externally greyish-brown, relatively rough, internally pale brownish | Pericycle banded | 4.1 | 5 | 27 | 28 | 40 |
RGgxdxzt | Guangxi, China | Zhong tong | Externally greyish-brown, slightly rough, internally dark brown | Pericycle banded | 3.7 | 4 | 29 | 25 | 42 |
RGgxpnzt | Guangxi, China | Zhong tong | Externally pale brown, slightly rough, internally dark brown | Pericycle scattered | 5.9 | 5 | 32 | 38 | 25 |
RGgddqzt | Guangdong, China | Zhong tong | Externally greyish-brown, slightly rough, internally brownish-red | Pericycle scattered | 4.7 | 10 | 17 | 24 | 49 |
RGyunaj | Yunnan, China | Grade A | Externally greyish-brown, relatively rough, showing greyish-white or greyish-green streak, internally reddish-brown | Pericycle banded | 4.1 | 7 | 16 | 10 | 67 |
RGyunbj | Yunnan, China | Grade B | Externally greyish-brown, relatively rough, showing greyish-white or greyish-green streak, internally reddish-brown | Pericycle banded | 4.3 | 2 | 21 | 38 | 39 |
RGyuncj | Yunnan, China | Grade C | Externally greyish-brown, relatively rough, showing greyish-white or greyish-green streak, internally reddish-brown | Pericycle scattered | 3.8 | 5 | 24 | 26 | 45 |
RGgxpnbg | Guangxi, China | Ban gui | Externally dark brown, slightly rough, internally brownish-red | Pericycle banded | 6.0 | 6 | 31 | 21 | 42 |
RGgxdxbg | Guangxi, China | Ban gui | Externally greyish-brown, slightly rough, internally dark brownish-red | Pericycle scattered | 2.4 | 5 | 31 | 29 | 35 |
RGlw | Laos | Not specific | Externally greyish-brown, slightly rough, internally dark brown | Pericycle banded | 3.0 | 6 | 27 | 34 | 33 |
RGgxpngg | Guangxi, China | Guan gui | Externally dark brown, slightly rough, internally pale brown | Pericycle banded | 3.6 | 4 | 55 | 16 | 25 |