That is different for a Mulberry.There is a company,which I may have bought something from,because they send ads to my email.The latest one includes some Mulberries and one’s leaves,resembles your cutleaf look.
They even named the plant,Digitata Mulberry(morus rohde),which I haven’t heard of.In the description,Morus nigra seeds were planted and these were the results.
They probably won’t get my money for them right now.
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