plants used for flavoring, medicine, or fragrance
herbs are typically the leafy green or flowering parts of a plant, distinguished from spices which derive from seeds, bark, or roots
culinary herbs include basil, rosemary, thyme, and parsley, while medicinal herbs include chamomile, echinacea, and valerian
herbal knowledge forms the foundation of traditional medicine systems worldwide, and many herbs contain antimicrobial, anti-inflammatory, and antioxidant compounds