Assertion: birch's leaf | /r/HasProperty | leathery
Facets:
value: with edges
type: OTHER
value: with sharp thorns along the margins
type: OTHER
Source sentences:
text: The leaves are thick, deep green, and leathery with sharp thorns along the margins, or edges.
text: The leaves are leathery, up to 1/2 or rarely 1 and 1/4 inches long, and have teeth along the edges.