This is the way drawer bottoms used to be made — using only one very wide board:
Normally I glue up several boards to make a wide drawer bottom. But the image above shows a terrific way to make the drawer bottom, using a very, very wide poplar board. I must try this, as it truly makes for a classy bottom.
This drawer above came from this wonderful piece, made by Kent Akdins:
I love making great drawers. You can read several articles I have written on this subject, at this link.