silybum marianum is a species of thistle. it has various common names including milk thistle, blessed milkthistle

wildflower grassland prairie produce thistle flower meadow nature thorns plant grass field petal herb crop lawn agriculture background beautiful beauty blessed bloom blossom botany carduus closeup color field flora floral flower garden green herb landscape macro marian marianum mary mary's meadow mediterranean milk milkthistle natural nature outdoor outside pink plant purple saint scotch season silybum spring st mary's thistle summer tansy thorn variegated violet weed wild