The wood ray tissue were heterogeneous, uniseriate and multiseriate rays, the wood longitudinal parenchyma were wheel bound shape and ring canal bunchiness. 射线组织异型单列及多列,轴向薄壁组织轮界状及环管束状;
4)多列粗毛,包括柱状毛、多列渐尖粗毛、多列急尖粗毛; 4) multiseriate thick hairs, including pillar hairs, gradually sharpening thick hairs, and suddenly sharpening thick hairs;