Paeonia Maximowiczii???
Probably a form of Paeonia arietina.
Some more info about the SPIN member growing this plant:
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P. turzica,
P kesrouanensis
P sterniana
P. steveniana
P.majko ( другие природные нотовиды)
P peregrina ca 20-30 cm hoch
P maleevii
P. singiangensis
P.. wendelboi
P.tomentosa.
All species plants of this SPIN member: