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amphicribral vascular bundle
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amphicribral vascular bundle
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理学
〔植物形态与结构〕
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amphicribral vascular bundle
周韧维管束
木质部位于中间,韧皮部围绕于木质部四周,无形成层的维管束。常见于蕨类某些植物与百合科、禾本科、蓼科某些植物。
Biology
amphicribral vascular bundle
周韧维管束
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