Someone has done a very commendable job by posting an article in Wikipedia which acts as a pictorial guide to all most all vegetables of Assam. That article provides the Assamese, English and scientific names of all common and essential leafy, non-leafy and herbs of Assam along with their pictures. You can find more about the article in the following post in our Helping blog:
http://aakholglossary.blogspot.com/2009/12/pictorial-guide-to-vegetables-name.html