Assertion: canker sore's symptom | /r/HasProperty | canker
Facets:
Source sentences:
text: Symptoms are similar to all species of maple and include a canker forming most commonly 2–12 feet (0.61–3.66 m) from the ground.
text: Symptoms associated with Cytospora species include discolored foliage, premature defoliation, branch dieback, and cankers.