actinostele

常見(jiàn)例句

• Actinostele A rype of protostele in which the xylem is star shaped and the phloem lies between the points of the star.
  星狀中柱：原生中柱的一種類(lèi)型。木質(zhì)部是星形的，靭皮部位於星形之間。
• the actinostele of root of the former was di-to octoarch, but the latter only di-to pentarch;
  石菖蒲根的內(nèi)皮層細(xì)胞壁爲(wèi)馬蹄形五麪加厚；
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