Paeonia mascula ( Northern Glory Peony )
genus Paeonia mascula subsp . arietina ‘ Northern Glory ’ has gray - green leaves and deep pink - purplish peak . paeony are herbaceous perennials arising from thickened tuberous roots . Largely invisible , blot out underground most of the year , they are quite spectacular when they go forth . In spring , purple divided leave-taking advertise through the dirt , quickly unfurling and turning greenish . The okay foliage is attractive in its own rightfield , the flower are very flamboyant , coming in three case : exclusive or semi - double , Japanese , with one row of flower petal and a large nub , and highly ruffled twofold forms ....