The silica-phellem block and stomate tubercle on 3rd leaf are underdeveloped, the tubercle of stomate block is small and dense in japonica, big and sparse in O.
了三叶期第三叶片
硅化-木
细胞带和气孔器乳突育不
象。
;有叶孔;有气孔The silica-phellem block and stomate tubercle on 3rd leaf are underdeveloped, the tubercle of stomate block is small and dense in japonica, big and sparse in O.
了三叶期第三叶片硅化-木细胞带和气孔器乳突育不象。
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