Plenty of laticiferous tubes were included in roots, stems and leaves.Intraxylary phloem formed around the pith.
髓
外围形成一环内生韧皮部，这些结构特征使罗布麻能更好
、
等恶劣环境。
,分泌橡浆Plenty of laticiferous tubes were included in roots, stems and leaves.Intraxylary phloem formed around the pith.
髓外围形成一环内生韧皮部，这些结构特征使罗布麻能更好、等恶劣环境。
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