Assertion: cycad's root | /r/HasProperty | harvested for flour
Facets:
value: in early 1900s
type: TEMPORAL
value: commercially
type: MANNER
value: in the 1800s
type: TEMPORAL
Source sentences:
text: The roots of this plant were commercially harvested for flour in the 1800s and early 1900s, causing the wild populations to be decimated.