Assertion: summer truffle | /r/HasProperty | tuber aestivum
Facets:
Source sentences:
text: The summer truffle (Tuber aestivum) or burgundy truffle (Tuber uncinatum) is a species of truffle, found in almost all European countries.
text: Two other similar truffle species are the summer truffle (Tuber aestivum) and the winter truffle (Tuber brumale), whose flesh is of a lighter color.