所属栏目：英汉双解生物学
A type of protostele in whichthe xylem is star shaped and the phloem liesbetween the points of the star. See stele.原生中柱的 一类,其木质部呈星形、韧皮部位于星状木质部之间。参阅778页stele。 ......（本文共 136 字 ） [阅读本文]>>
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