backlit of milk thistle flower

asteraceae asteridae background biodiversity biological biology blessed blest blooming botanic cardo cardus closeup curative diversity ecological ecosystems environment environmental essences exotic floral flowering flowers foreground fragrances fresh green greenish healthful healthy herbaceous herbal herbology herbs holy homeopathic life living magnoliopsida mariano marianum marianus medicinal medicine mediterranean milk natural naturalism naturalist nature naturophatic organic organs ornamental planet plants prickly processes purple remedies reproductive saint scotch scottish silybum silymarin species spiky spring stamens sustainably thistle thorny unfocused vegetative wholesome wild wildflowers world