protostele
n. [植]原生中柱
词形变化
protosteles
复数
protosteles
释义与例句
n.
-
1.
A type of stele, in which the vascular tissue in the stem forms a solid core, with no central pith or leaf gaps.
生物 植物学
词源
From proto- + stele.
来源:wiktionary