flower of common periwinkle, lesser periwinkle, small-leaved periwinkle (vinca minor

apocynaceae bloom blooming blossom blue botany central europe color common periwinkle cover dicotyledon dogbane endemic european evergreen flora flourishing flower flowering garden german germany ground groundcover groundcovers herbaceous leaved lesser littorina littorea living beings minor nature ornamental plant poisonous small soil surface toxic vertical vinca wild wildflower wilh