Mishkat al-Masabih
Mishkat al-Masabih 5631
Description of Paradise and its Inhabitants - Section 2
Arabic hadith text
وَعَنْهُ قَالَ: قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ: «مَا فِي الْجَنَّةِ شَجَرَةٌ إِلَّا وساقُها من ذهب» . رَوَاهُ التِّرْمِذِيّ
Translation
He reported God's messenger as saying, "The trunk of every tree in paradise is of gold." Tirmidhi transmitted it.