Yellow Autumn trees are found in the Boreal Forest and Seasonal Forest biomes. Their trunks are Birch Wood blocks and their leaf blocks are Yellow Autumn Leaves. When the Yellow Autumn Leaves block is broken it may drop a Persimmon and/or a Yellow Autumn Sapling. World spawned Yellow Autumn Trees sometimes have Persimmons.
Raw Wood: Birch wood
Planks: Birch planks
Crafting: Slabs, Stairs
Sapling: Yellow Autumn
Leaves: Yellow Autumn
Fruit: Persimmons