It wasnarrated that Abu Hurairah said:
"We used to narrate from theMessenger of Allah (ﷺ) and mention truffles, and they said: '(Itis)the smallpox of the earth.' When the Messenger of Allah (ﷺ)was toldof what they were saying: he said: 'Truffles are a type ofmanna, andthe Ajwah are from Paradise, and they are a healing frompoison.'" (ID)
English reference (ID): Vol. 4, Book 31, Hadith 3455 (ID)
Arabic reference (ID): Book 31, Hadith 3582 (ID)