Assertion: aspen's bark | /r/HasProperty | black
Facets:
Source sentences:
text: Symptoms of this disease include discolored areas on the bark that are yellow, orange-brown or black in color; twig and branch dieback; liquid, orange-colored ooze in the spring; sunken dead areas of bark with black pimples or speckling; and reddish brown discoloration on the wood and/or inner bark.