Assertion: black walnut | /r/HasAspect | the highest concentration
Facets:
value: in hardiness zones 4
type: LOCATION
value: through 9
type: TEMPORAL
Source sentences:
text: The black walnut tree (Juglans nigra) has the highest concentration in U.S. Department of Agriculture plant hardiness zones 4 through 9, while the English walnut (Juglans regia) leaches out significantly less juglone in USDA zones 5 through 10.