leafage

n.叶子；树叶(总称)；叶状装饰

Some plants have neither root nor leafage. 有些植物既无根又无叶。

Some plants have nether root nor leafage. 有些植物既无根又无叶。

Some plants have neither root or leafage. 有些植物既无根又无叶。

But, I don't know how take leafage on the bole. 只是，我不知道怎么把叶子附加到树干上去。

All subordinate clause are tree's leafage. 所有从句都是树的叶子。

The gene transcription level increases with leafage adding. 该基因的转移水平随着叶龄增加而逐渐增强。