Assertion: comfrey | /r/HasProperty | brought to britain
Facets:
value: about 1800
type: TEMPORAL
value: from russia
type: TRANSITIVE-OBJECT
Source sentences:
text: Prickly or rough comfrey [S. asperum Lepechin (S. asperrimum Donn)], named for its bristly or hairy leaves, was brought to Britain from Russia about 1800.