I was going to say Alcea too, Hollyhock, but when I went looking for photos, I could only find one with lobed leaves, and they're not as deeply lobed as these. So I decided to wait to see what others said. I usually expect, when I can't find photos to confirm what I think, that I have the ID wrong. Those leaves look more like Abelmoschus, but the flower really looks like Hollyhock. Here's the photo I found: Alcea rosea L.
It looks like there is a lot of variation in the leaf shape in Alcea, even within species. As said here : Factsheet - Alcea rosea Here is a good illustration of that on this North Dakota State University picture of Alcea rosea: https://www.ag.ndsu.edu/hort/info/annuals/creep/holly.old.jpg, where you can see leaves of different shapes on the same species together. Not to mention another species like Alcea ficifolia, Figleaf Hollyhock: PlantFiles: Antwerp Hollyhock, Figleaf Hollyhock. The common name says it all. And there are also hybrids . . . The flower, flower buds, and overall shape of the plant on the picture posted by OP also look exactly like those of Alcea.
Thanks, Sundrop. It wasn't my question, but I'm interested. That Figleaf Hollyhock is pretty convincing, since the photo here shows all the leaves with the same deep lobes.
