corsican hellebore, helleborus argutifolius

america american americana appalachain appalachia appalachian argutifolius bloom blooming blooms blow blue bowl bud cluster corsica corsican crowding early evergreen family flower flowering flowers garden gardens green hellebore hellebores helleborus holly horizontal landscape large late leaf leaflets leathery leaved leaves lime mountain mountains mountian nature outdoor outdoors parkway perennial petal petals plant plants ranunculaceae ridge roanoke sardinia shape shaped species spiny spring three toothed vertical winter