Does anyone know this flower?

Kelley Graham
by Kelley Graham
When I was little, we had this little bush that had bright yellow flowers that you could watch bloom every night at dusk. All the flowers would bloom at once. By morning the flowers would fall off. It's not primrose and it's not 4 o'clocks. I'd love to find this but have no idea what it was. Anyone able to help me?
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