TIRMIDHI 2525:
from Abū Hurayrah —
"There is not a tree in Paradise except that its tree is of gold."
الترمذي ٢٥٢٥:
عن ابو هريره —
قَالَ رَسُولُ اللَّهِ ﷺ مَا فِي الْجَنَّةِ شَجَرَةٌ إِلاَّ وَسَاقُهَا مِنْ ذَهَبٍ