1. Hairy indigo is a reseeding annual, nitrogen-fixing, erect, bushy plant, up to 2.5 m in height. It is used as a forage, summer fallow, green manure, or cover crop.
  2. The exact origin of this crop is not known but it is commonly grown from southern Texas south to Peru. It was named “Siratro” and first hybridized in the early 1960’s.
  3. Tarwi is an erect, annual, cool-season, nitrogen-fixing plant up to 2.5 m in height. For human consumption the seeds must be soaked in water for several days to remove bitter alkaloids. The seeds are high in protein, pressed for oil, and fed to livestock. Tarwi is a good green manure or cover...
  4. Tropical kudzu is a perennial, vigorous, deep-rooted, vining or climbing, nitrogen-fixing plant, with vines up to 10 m long. This crop tolerates high water levels (even occasional water logging), grows well in the dry season, and can tolerate acidic soils and shade. It is used as a forage, green...
  5. White lupine is a cool season, nitrogen-fixing, bushy, annual plant up to 1.6 m in height, and adapted to higher altitudes in the tropics. It is mainly used for forage, green manure or cover crops but non-toxic modern varieties have been developed for human consumption.
  6. Detailed descriptions of more than 600 grassland species (common names, genus, and latin names) and a linked picture gallery of photos
  7. Sesbania rostrata is an annual—or short-lived perennial—legume used as a green manure cover crop and fodder species for livestock. Growing to heights of 3 m, S. rostrata is one of the few legumes that produces nodulated stem tissues for further colonization by nitrogen-fixing bacteria. Leaves of...
  8. Lablab purpureus is bean capable of growing in a wide range of climatic conditions and soil types,depending upon the variety chosen. It is widely cultivated throughout the tropics and subtropics and occurs wild in tropical Africa (including Madagascar) and India. The palatability of lablab...
  9. The Web site of the Center for New Crops & Plant Products, at Purdue University. NewCROP provides windows to new and specialty crop profiles.
  10. Aeschynomene americana is an annual legume forage crop and green manure cover crop. Considered a “subshrub,” A. americana can reach heights of 1-2 m. Pinnately compound leaves are finely textured, with 25-60 leaflets per leaf. Borne on pubescent stems, leaves reach 7.5 cm in length. Flowers...