Xref: kermit rec.gardens:226968

Each leaf shoot had seven-fingered pattern that looked exactly
like marijuana.

more than likley it is one of the green leaf varieties of japanese maple. Try
searching google for Acer palmatum 'Viridis'

but if any of you master
gardeners out there know what it might be

this might be one for the advanced master gardeners! hahahahaaa

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