From Sahih Bukhari (Hadith 72):
Narrated Ibn `Umar:We were with the Prophet (ﷺ) and fresh dates of a palm tree were brought to him. On that he said, "Amongst the trees, there is a tree which resembles a Muslim." I wanted to say that it was the datepalm tree but as I was the youngest of all (of them) I kept quiet. And then the Prophet (ﷺ) said, "It is the date-palm tree
Reference: Bukhari 72