Paeonia peregrina ( Peregrina Peony )
Paeonia peregrina has tumid stems and stiff , deep green leaves , with 9 leaflets . In late springtime and early summertime , bears individual , bowl - mold , glistening , deep red efflorescence , 4 to 5 inches across . aboriginal to Southern Europe . Peonies are herbaceous perennials arising from thickened tuberous roots . for the most part invisible , hidden underground most of the year , they are quite spectacular when they emerge ....