siphonostele

美 　英

• n.【植】管狀中柱
• 網(wǎng)絡(luò)管狀中心柱；虹吸管；管狀中軸

詞形變化

復(fù)數(shù)：siphonosteles  

英漢解釋

n.	1. 【植】管狀中柱

英英解釋

n.	1. a type of vascular cylinder , found in many ferns, in which the water-conducting vessels of the stem are arranged around a central core of pith