Basic information Species type: PlantGenus: Juglans Species: nigraCommon names: black walnutBotanical family: Juglandaceae Climate information Climate: cold to warm temperateOrigin: E. N. AmericaHumidity: humid Cultivation information Cultivation: regional crop onlyForm: treeManagement: standardStaple crops: protein-oilIndustrial crops: dyeOther systems: strip intercrop