The root and rhizome were composed of the epidermis, cortex and vascular cylinder.

根和根状茎都由表皮、皮层和维管柱组成。

The primary structure of stem consists of epidermis, cortex and vascular cylinder too.

茎的解剖结构也由表皮、皮层和维管柱组成。

Results and Conclusion The secondary structure of the stem of Uvaria microcarpa consisted of the periderm, cortex and vascular cylinder.

结果与结论紫玉盘的茎次生构造由周皮、皮层及维管组织组成；

Results The secondary structure of the roots of Taxus chinensis var. mairei consisted of the periderm and vascular cylinder(stele). Axial and radial systems formed the secondary xylem of the roots.

结果南方红豆杉根的次生结构由周皮和维管系统组成，次生木质部由轴向系统和径向系统两部分构成。