There are vegetables, as well as beans/legumes and grains, that have the full protein needed for the human body.  Here are some charts with a collection of vegan foods that are rich in protein:  http://veganavigate.com/vegan-food-for-protein.html

VEGANavigate is not a source for medical advice. Please contact your nutritionist and/or doctor with any questions you may have about nutrition and health.