actinostele
基础科学

        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] >>