thistle flower with insects on it.one close-up of a field of purple milk thistle close-up on a bokeh background. lilac spiny

acanthus backgrounds beautiful beauty blooming blossom botany brightly burdock burr carduus chaff close closeup color drill flora floral flower flowering foreground grass green head insects irritation lilac macro medicine midges nature petal plant purple season sharp spine summer thistle uncultivated weed white wildflower