Plenty of laticiferous tubes were included in roots, stems and leaves.Intraxylary phloem formed around the pith.
髓的外围形成一
内生韧皮部，这些结构特征使罗
更好的适应
旱、盐碱等恶
。
Plenty of laticiferous tubes were included in roots, stems and leaves.Intraxylary phloem formed around the pith.
髓的外围形成一内生韧皮部，这些结构特征使罗更好的适应旱、盐碱等恶。
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