1, asparagus and lettuce appearance, varieties are different, asparagus appearance of slender, no large leaves, only the top of the small flowers like things, is the asparagus family asparagus genus of plants, in China, France, Spain and other countries have distribution.

2, lettuce is much thicker than asparagus, it has big and long leaves on the top, is a plant of lettuce in the family of Asteraceae, mainly distributed in China.