Okay.. three diferent folks identified this flower which I originally labelled as a “Mystery Flower.” Here is what it says about it online: Mexican prickly poppy (Argemone mexicana), also known as goatweed, Mexican thistle, prickly poppy, and yellow thistle, is a member of the poppy family
lifelessons - a blog by Judy Dykstra-Brown 
It is definitely a thistle species. I agree, it’s a really beautiful one.
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Google Lens seems to think it’s a Mexican prickly poppy.
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Yup. You are correct! Thanks..I’ll change the title. I love it when folks do my work for me!!! Oh, but you knew this.
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It looks like a cross between thistle and plumeria!
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It does…
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Prickly poppy! It’s beautiful
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It is a Mexican Poppy! Who knew? I guess you and Sam and Forgottenman.
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There were some wild poppies with similar leaves growing in the chaparral in San Diego. They had big white flowers.
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Crept over like so many others.
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Plant looks like a Mexican Poppy, but though the flower looks close in color I have never seen the petals that wide open. We have a similar plant here but the flowers are white. Could be hybridized~?
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It is a weed, Sam.. Just showed up..
I’ll check out Mexican poppy, but can’t imagine they have leaves like that.
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You are right, Sam!!! You win the prize..Initial solution was Bermuda Thistle but the second suggestion on my plant identifier was Mexican Poppy! Thanks.
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She may be prickly but like a lot of prickly women, she sure is pretty.
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I’ve never seen one this exotic looking. Even the leaves are exotic.
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Looked like a thistle to me too.
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So let’s declare it a thistle. But what a beautiful flower, huh?
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Yes it’s very pretty. I think I’ve seen it growing wild over here too.
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Beautiful colors.
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