Assertion: butternut | /r/CapableOf | produce substance
Facets:
Source sentences:
text: Butternut trees, like walnuts, produce a substance called juglone which is toxic to some plant species and prevents them from competing with the tree for nutrients.
text: Slight toxicity: Like Juglans nigra (black walnut), Juglans cinerea produce a substance called juglone in roots, fruit husks and leaves that is toxic to some plant species.