This is a 1.8.9 cherry blossom tree overlay texture pack. The cherry blossom tree texture comes from Minecraft version 1.20.
AllCherry -> Modified the textures of log, leaves, planks and wood-related blocks.
If the leave texture does not display correctly, please check if there is a "ctm" folder in other resource packs you are using with Cherry, and delete the leaves-related textures in the "ctm" folder.