actinostele
美 [æk't?n?sti:l] 英 [æk't?n?sti:l]
英漢解釋
例句
Actinostele A type of protostele in which the xylem is star shaped and the phloem lies between the points of the star.
原生中柱的一種類型。木質(zhì)部是星形的,韌皮部位于星形之間。