Some type of Daisy?

Can anyone tell me what this might be? It has yellow petals, and the center is sort of purple. The flower closes up at night.


Thank you!
Kathi Q

 

looks like Osteospermum, normally an annual.

 

Definitely an Osteospermum....I actually just discovered them at a nursery this year. awesome flowering plant

 

Thanks so much for the replies !