The zonal structure of shoot apex of vitreous plantlets appeared different from normal potted plants and normal plantlets in mainly aberration occurring in corpus and tunica.

• 玻璃苗与正常试管苗的茎尖在形态结构上有明明显差别，主要表现为顶端分生组织原体原套结构异常和细胞的明显液泡化。