blossom prickly comfrey, symphytum asperum

symphytum asperum lepech bieb beinwell gallen peregrinum shrub spring petal herb floral herbal inflorescence medicine family garden plant field blue flower leaf nature prickly natural green comfrey blossom meadow boraginaceae stalk summer medicinal flora botany blossoming caucasian rough curl stem object longterm healthy outdoor flowers leaves close-up selective focus