When you go to the end you'll find this flower scaterred everywhere! It emits a bit of light and it's actually very useful!
You can also bonemeal End Stone and that will grow an ender flower (only works if you're in the end)
Uses:[]
On its own it's only a decoration block (even that might not be true since you can only place it in the end)
But it's used on several dyes recipes named bellow!
Recipes:[]
In the Ender Furnace you can smelt an ender flower with any dye to get two of that dye!
Every dye requires only 1 ender flower. Lapis is the only one that requires 2!!!