Leaves and bark may be tree enough.

树只要有叶子和皮也许就够了。

youdao

Evergreen trees and shrubs with aromatic oils in their leaves and bark.

樟属，樟科，多为常绿乔灌木，叶子和树皮含芳香油。

youdao

And I also know that the tree's fruit, leaves and bark are all valuable medicinal materials.

而且我知道银杏树的果实、树叶、树皮都是珍贵的药材。

youdao

Two thousand years ago, the Greek doctor Hippocrates advised his patients to chew on the bark and leaves of the willow.

VOA: special.2010.12.14

The Greek doctor Hippocrates advised his patients to chew on the bark and leaves of the willow.

VOA: special.2009.10.20

Immediately they did this, however, people started thinking 'Aha, this is a special plant, ' and they climbed over the fence and started to take off little branches and leaves and pieces of bark.

NPR: The Little Coffee Plant that Wouldn't Die

"We ate bark and leaves, " she added, after catching her breath.

BBC: Fleeing from Sudan's Nuba Mountains

The emerald ash borer is metallic green and eats only ash trees, with the larvae feeding just below the bark and adults eating the leaves.

WSJ: Mass. creates quarantine zone to contain insect