purple milk thistle, silybum marianum, wild plant, medicine flower with leaf, herb, , hand drawn watercolor

aquarelle background blossom botanical botany branch bristle bud cirsium closeup flora flower green healthy herb herbal illustration isolated leaf liver macro marian marianum medicinal medicine milk natural nature needle painted pink pistil plant pricker purple silybum spike spiked stem thistle thorn treatment twig watercolor watercolour weed white wild