Sahih al-Bukhari, Volume 7, Book 65, Hadith 359 (USC-MSA) ⓘ
Narrated Ibn `Umar: The Prophet said, "There is a tree among the trees which is similar to a Muslim (in goodness), and that is the date palm tree."
حَدَّثَنَا أَبُو نُعَيْمٍ، حَدَّثَنَا مُحَمَّدُ بْنُ طَلْحَةَ، عَنْ زُبَيْدٍ، عَنْ مُجَاهِدٍ، قَالَ سَمِعْتُ ابْنَ عُمَرَ، عَنِ النَّبِيِّ صلى الله عليه وسلم قَالَ "مِنَ الشَّجَرِ شَجَرَةٌ تَكُونُ مِثْلَ الْمُسْلِمِ، وَهْىَ النَّخْلَةُ " .
also referenced under: Book 70, Hadith 77 (In-Book) & Hadith 5448 (DarusSalam)