Caesar lettuce (7)
I believe the answer is:
romaine
(Other definitions for romaine that I've seen before include "lettuce in the US" , "Cos lettuce" , "Type of lettuce - I arm one (anag)" , "Variety of lettuce" , "lettuce in America" .)
I believe the answer is:
romaine
(Other definitions for romaine that I've seen before include "lettuce in the US" , "Cos lettuce" , "Type of lettuce - I arm one (anag)" , "Variety of lettuce" , "lettuce in America" .)