RESULTS: The vascular bundle structure is much complicated than the phellem structure and bast structure.
RESULTS: The vascular bundle structure is much complicated than the phellem structure and bast structure.
果:通过对中药材异常构造特点的综合系统分类研究,指出木栓组织,韧皮组织和维管束组织等方面的异型构造,其中维管束异型构造较为复杂。