What are the tropical leguminous perennial shrubs which can be grown for cut and mulch? Some options which I can see are Hedge Lucern and mexican sunflower (leguminous?)
From David The Good's channel I learned about pigeon peas: The pigeon pea is a perennial legume from the family Fabaceae. Since its domestication in the Indian subcontinent at least 3,500 years ago, its seeds have become a common food in Asia, Africa, and Latin America. Wikipedia
Scientific name: Cajanus cajan