Perennial Peanut

Tropical low growing (about 8 inches high), non-twining, nitrogen-fixing legume
Used as a cover crop in many perennial crops including mango, avocado, coffee, banana, oil palm, macadamia, cocoa, cassava, citrus, pineapples, plantains, dryland taro, and hearts of palm
Used as ground cover in Hawai`i landscapes
Used for intensively managed grass/legume pastures in South America (CIAT, Colombia)