percurrent

a. [植](叶脉等)到顶的

释义与例句

adj.
  1. 1.

    Running through the entire length; running through from top to bottom, as the midrib of a dicotyledonous leaf, the nerve of a moss-leas, or a grass-palet, etc.

    生物 植物学

词源

From Latin percurrens, present participle of percurrere (“to run or pass through”), from per (“through”) + currere (“to run”).

来源：wiktionary