Lactuca (Lettuce) is a genus of herb in the family Asteraceae. They are native to The Contiguous United States, Puerto Rico, Alaska, Saint-Pierre Et Miquelon, and Canada. They have achenes.
Definition: a fruit which develops from a carpel or gyneocium and at maturity comprises a dry exocarp, a dry mesocarp, and a dry endocarp that are connected to a seed coat by a funicle
Definition: a fruit which develops from a carpel or gyneocium and at maturity comprises a dry exocarp, a dry mesocarp, and a dry endocarp that are connected to a seed coat by a funicle