Assertion: root vegetable | /r/HasProperty | important staple foods
Facets:
value: in tropical regions
type: LOCATION
Source sentences:
text: Of particular economic importance are those with a high carbohydrate concentration in the form of starch; starchy root vegetables are important staple foods, particularly in tropical regions, overshadowing cereals throughout much of Central Africa, West Africa and Oceania, where they are used directly or mashed to make fufu or poi.