Crunchy stalk vegetable (6)
I believe the answer is:
celery
'crunchy stalk vegetable' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for celery that I've seen before include "Its leaf stalks are used in salads or as a vegetable" , "Plant with edible stems" , "Salad item or cooked vegetable" , "Vegetable in sticks" , "Plant with succulent leaf stalks" .)