树(Shu)皮(Pi):(?)
厚(Hou)约(Yue)0.4cm,(?)质(Zhi)硬(Ying)脆(Cui),(?)易(Yi)折(Zhe)断(Duan),(?)易(Yi)长(Chang)条(Tiao)状(Zhuang)剥(Bao)离(Li)。(?)外(Wai)皮(Pi)灰(Hui)褐(He)色(Se),(?)极(Ji)薄(Bao),(?)具(Ju)浅(Qian)纵(Zong)裂(Lie),(?)小(Xiao)薄(Bao)片(Pian)状(Zhuang)脱(Tuo)落(Luo)。(?)内(Nei)皮(Pi)红(Hong)褐(He)色(Se);韧(Ren)皮(Pi)纤(Xian)维(Wei)发(Fa)达(Da),易(Yi)层(Ceng)片(Pian)状(Zhuang)分(Fen)离(Li);(?)石(Shi)细(Xi)胞(Bao)发(Fa)达(Da),(?)层(Ceng)片(Pian)状(Zhuang)排(Pai)列(Lie)。(?)
横(Heng)断(Duan)面(Mian):(?)
心(Xin)边(Bian)材(Cai)区(Qu)别(Bie)明(Ming)显(Xian)。(?)心(Xin)材(Cai)浅(Qian)黄(Huang)褐(He)色(Se),(?)久(Jiu)则(Ze)转(Zhuan)为(Wei)巧(Qiao)克(Ke)力(Li)褐(He)色(Se)。(?)边(Bian)材(Cai)窄(Zhai),(?)金(Jin)黄(Huang)色(Se)。(?)生(Sheng)长(Chang)轮(Lun)略(Lue)可(Ke)见(Jian)。(?)
宏(Hong)观(Guan)构(Gou)造(Zao):(?)
散(San)孔(Kong)材(Cai)。(?)管(Guan)孔(Kong)肉(Rou)眼(Yan)下(Xia)可(Ke)见(Jian),(?)少(Shao),(?)略(Lue)大(Da);主(Zhu)为(Wei)单(Dan)管(Guan)孔(Kong),(?)少(Shao)数(Shu)径(Jing)列(Lie)单(Dan)管(Guan)孔(Kong)(2~4个(Ge));侵(Qin)填(Tian)体(Ti)丰(Feng)富(Fu)。(?)轴(Zhou)向(Xiang)薄(Bao)壁(Bi)组(Zu)织(Zhi)肉(Rou)眼(Yan)下(Xia)可(Ke)见(Jian),短(Duan)翼(Yi)状(Zhuang)、(?)聚(Ju)翼(Yi)状(Zhuang)、(?)环(Huan)管(Guan)束(Shu)状(Zhuang)及(Ji)不(Bu)规(Gui)则(Ze)弦(Xian)向(Xiang)带(Dai)状(Zhuang)。(?)木(Mu)射(She)线(Xian)放(Fang)大(Da)镜(Jing)下(Xia)明(Ming)显(Xian),(?)密(Mi)度(Du)中(Zhong),(?)窄(Zhai)。(?)
木(Mu)材(Cai)材(Cai)性(Xing):(?)
具(Ju)光(Guang)泽(Ze);(?)生(Sheng)材(Cai)有(You)柠(Ning)檬(Meng)味(Wei);(?)有(You)油(You)性(Xing)感(Gan)。(?)纹(Wen)理(Li)直(Zhi)或(Huo)略(Lue)斜(Xie);(?)结(Jie)构(Gou)细(Xi)而(?)均(Jun)匀(Yun);(?)甚(Shen)重(Zhong)硬(Ying);(?)强(Qiang)度(Du)甚(Shen)高(Gao);(?)干(Gan)缩(Suo)甚(Shen)大(Da)。(?)加(Jia)工(Gong)不(Bu)难(Nan),(?)切(Qie)面(Mian)光(Guang)滑(Hua);(?)油(You)漆(Qi)和(He)胶(Jiao)黏(Nian)性(Xing)能(Neng)略(Lue)差(Cha);(?)握(Wo)钉(Ding)力(Li)强(Qiang),(?)须(Xu)先(Xian)钻(Zuan)孔(Kong)。(?)很(Hen)耐(Nai)腐(Fu)。(?)干(Gan)燥(Zao)慢(Man),(?)略(Lue)有(You)劈(Pi)裂(Lie)。(?)气(Qi)干(Gan)密(Mi)度(Du)1.0 ~ 1.2 g/cm3。(?)