actinostele
常見例句
- 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，韌皮部位于星形之間。 - 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為馬蹄形五面加厚； 返回 actinostele