silybum marianum cardus marianus, milk thistle, blessed milkthistle, marian thistle, mary thistle or scotch thistle

silybum marianum cardus marianus milk thistle blessed milkthistle marian mary or scotch colorful spring turquoise organic natural background bright needles sharp green backdrop color abstract alternative beautiful beauty botany branch closeup detail environment field flora flower flowering plant garden grow herb herbal homeopathy macro medicinal nature outdoor pure season seed silhouette stem sunny texture wild