With bulb outer epidermal of Allium fistulosum L.as material to observe stomata in plants,the results howed that,the stomata not only distribute in plant leaves,bulb but also exist in the epidermis of underground parts of plants.%以葱和香葱的鳞茎外表皮为材料观察植物气孔,结果显示,除了在植物叶片和鳞茎上分布有气孔外,气孔也存在于植物地下部分的表皮上.
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