percurrent

基本解释

• adj.[植](叶脉等)到顶的

同根派生

• percurrent相关词

英汉例句

• Secondary veins are semicraspedodromous and form marginal loops, tertiary veins are percurrent, quaternary veins form orthogonal or polygonal areoles filled up by branched and freely ended veinlets.
  二级脉在叶缘内分支，相互连接形成脉环，三级脉及顶型，脉间区内充满分支的自由结束的小细脉。
• major veins impressed, rarely flat adaxially, lateral veins 7-10 pairs, tertiary venation weakly percurrent.
  主脉凹陷，正面很少平，侧脉7-10对，支脉弱顶。
• percurrent proliferation
  及顶增殖

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