Assertion: zanzibar copal | /r/CreatedBy | the trachylobium verrucasum
Facets:
value: possibly
type: DEGREE
Source sentences:
text: Zanzibar copal from East Africa was possibly produced by the Trachylobium verrucasum (also known as Hymenaea verrucosa), while Kauri copal from New Zealand was produced by the Kauri pine, Agathis australis.