Assertion: alkaloid | /r/CapableOf | start with morphine
Facets:
value: from the poppy
type: LOCATION
value: in 1806
type: TEMPORAL
Source sentences:
text: Alkaloids were isolated from a succession of medicinal plants, starting with morphine from the poppy in 1806, and soon followed by ipecacuanha and strychnos in 1817, quinine from the cinchona tree, and then many others.