perennation

常見例句

It is an organ of perennation or vegetative propagation, and is characteristic of various water plants (e.g.Sagittaria).
這是多年生營養(yǎng)繁殖器官，還是多種水生植物的特征之一(例如：Sagittaria)。
Under natural condition, the invasive plants formed superiority community easily, so it had a bigger potention of harmful effect to Lolium perenn.
在自然條件下，外來入侵雜草容易形成單一優(yōu)勢種落，對多年生黑麥草草坪具有較大的危害潛力。