actinostele
常见例句
- 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：原生中柱的一種類型。木質部是星形的，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;
石菖蒲根的內皮層細胞壁爲馬蹄形五麪加厚； 返回 actinostele