的，纤It is found that the fiber of phloem of broussonetia is irregular elliptoid at cross section.
现构皮纤
的横截面
有中腔不规则的椭圆形结构，且呈束纤分布。
It is found that the fiber of phloem of broussonetia is irregular elliptoid at cross section.
现构皮纤的横截面有中腔不规则的椭圆形结构，且呈束纤分布。
Actinostele A rype of protostele in which the xylem is star shaped and the phloem lies between the points of the star.
星状中柱：原生中柱的一种类型。木质部星形的，韧皮部位于星形之间。
Plenty of laticiferous tubes were included in roots, stems and leaves.Intraxylary phloem formed around the pith.
髓的外围形成一环内生韧皮部，这些结构特征使罗布麻能更好的适应干旱、盐碱等恶劣环境。
Actinostele A rype of protostele in which the xylem is star shaped and the phloem lies between the points of the star.
原生中柱的一种类型。木质部星形的，韧皮部位于星形之间。
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