Assertion: ivy's plant | /r/HasProperty | poison oak
Facets:
value: often
type: TEMPORAL
value: mistakenly
type: MANNER
Source sentences:
text: A related urushiol-containing plant, poison oak, shares some of these characteristics although the leaves are distinctly “oak-like”.
text: The less common urusiol-containing plant, poison sumac, has a markedly different appearance.
text: The plant is often mistakenly called "poison oak", but the true poison oak occurs only in the southern and Pacific states of the U.S.A. and not in Ontario.
text: Two other common poisonous plants—poison oak and poison sumac—can cause a similar allergic reaction.