Doesn't stay to see the foliage (6)
I believe the answer is:
leaves
'foliage' is the definition.
(I've seen this in another clue)
I don't understand how the remainder of the clue works.
Can you help me to learn more?
(Other definitions for leaves that I've seen before include "Doesn't eat" , "Abandons" , "Departs with book pages?" , "some tea, perhaps" , "Departs from the sheets" .)