Ключевые слова: black, botany, closeup, common nettle, defensive hairs, flora, foliage, fresh, grass, green, growing, herb, herbal, irritant, isolated, leaf, medicine, nature, nettle, nobody, plant, sting, stinging, stinging hairs, stinging nettle, trichomes, twig, urtica, urtica dioica, urticaceae, wild,