Assertion: common mullein's leaf | /r/ObjectUse | used as food sources
Facets:
value: since the 8th century
type: TEMPORAL
Source sentences:
text: The leaves and shoots of common mallow have been used as food sources since the 8th century BC.3 The aboveground portions of the plant have been used in pancakes and salads, cooked as greens, and used as stuffing.6