What is Romaine lettuce?
{{no sources|date=July 2022}} [[File:Romaine lettuce.jpg|thumb|Romaine lettuce]] '''Romaine''' or '''cos lettuce''' (''Lactuca sativa'' L. var. ''longifolia'') is a type of [[lettuce]]. It is green in colour and its flavour is similar to other varieties of lettuce. It is one of the few types of lettuces that can be fed to [[iguana]]s. {{biology-stub}} [[Category:Leaf vegetables]] [[Category:Asteraceae]]