APP 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 一類(lèi),其木質(zhì)部呈星形、韌皮部位于星狀木質(zhì)部之間。參閱778頁(yè)stele。......（本文共 136 字） [閱讀本文] >>
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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 一類(lèi),其木質(zhì)部呈星形、韌皮部位于星狀木質(zhì)部之間。參閱778頁(yè)stele。......（本文共 136 字） [閱讀本文] >>
