Plant related to the onion; a national emblem of Wales (4)

I believe the answer is:

leek

(Other definitions for leek that I've seen before include "Green and white vegetable" , "Plant (onion relative) eaten as a vegetable" , "Welsh national symbol" , "Cylindrical vegetable" , "Vegetable emblem of Wales" .)

I've seen this clue in The Mirror.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.