The mesophyll consists of two layers of palisade parenchyma.
叶肉是由两层栅栏薄壁组织组成。
The leaf anatomic structure indicated that mesophyll was without the differentiation of palisade and sponge tissue. And the mesophyll cell is large and function as water storage.
叶肉细胞没有栅栏组织与海绵组织之分，细胞比较大，有贮水作用。
The mesophyll is not differentiated into spongy and palisade tissues, but mesophyll near midrib in tip and middle parts of leaf is often lengthened to appear as palisade-liked tissue.
叶肉没有海绵组织和栅栏组织的分化，但叶尖部和叶中部中脉附近的叶肉细胞常伸长，类似栅栏组织细胞。
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