purple verbena herb flowers and essential oil bottle

verbena vervain vervaine flower herb herbal blue bottle aromatherapy floral flowers plant medicine purple edible essence essential oil ingredient lilac mortar healthcare natural alternative remedy food medicinal sedative anxiety relief cure tranquilliser tranquillizer sleep aid preparation preparing infused naturopathic homeopathic naturopathy menopause problem menstruation female inflammatory antioxidant white background bonariensis brazillian color