N
any leguminous plant of the genus Lupinus, of North America, Europe, and Africa, with large spikes of brightly coloured flowers and flattened pods 羽扇豆
Lupinsis a 9 legume. It fixesnitrogen in thesoil and it alsocovers the soilinwinter, avoidingerosion, and you cangraze them when it's dried with sheep or cattle.