Assertion: walnut's leaf | /r/CapableOf | meet the stem
Facets:
Source sentences:
text: When a fruit is not available, two species can be differentiated based on the leaf scars, or the place where the leaf meets the stem: butternut has a leaf scar with a flat upper edge and with a velvety ridge above that flat part, but black walnut has an indented leaf scar with no hairy ridge.