flowering creeping thistle in the shore of kirjavalachti, karelia

perennial species flowering plant pink asteraceae europe creeping thistle canada beneficial pollinators nectar sugar lettuce corn field green hard prickly setose smallflowered way stingerneedles karelia blossom bloom kirjavalachti ladoga herbaceous floral fragrance florivores inflorescence pinkpurple purple florets dioecious branch floret injurious cereal noxious nutritious