Lupinus angustifolius is a species of lupine known by many common names, including narrowleaf lupine and blue lupine. It is native to Eurasia and northern Africa, and it is naturalized in parts of Australia and North America. It is cultivated as a food crop for its edible legume seeds and as a fodder for livestock. Like other legumes the lupine fixes nitrogen and it is planted in exhausted fields as a soil improver. Bacteria living in...
