Assertion: poison ivy | /r/MadeOf | urushiol
Facets:
value: as with poison ivy
type: OTHER
Source sentences:
text: Two related plants, poison oak and poison sumac, also contain urushiol, and will produce a similar rash.
text: As with poison ivy, poison oak contains urushiol.
text: Poison oak and poison sumac also contain urushiol, and all three can cause the blistering rash.