Marjoram Provence" and "za'atar". The flowering leaves and tops of marjoram are steam-distilled to produce an essential oil that is yellowish in color (darkening to brown as it ages). It has many chemical components, some of which are borneol, camphor, and pinene. Oregano ("Origanum vulgare"), sometimes listed with marjoram as "O. majorana") is also called wild marjoram. It is a perennial common in southern Europe and north to Sweden in dry copses and on hedge-banks, with many stout stems high, bearing short-stalked, somewhat ovate leaves and clusters of purple flowers. It has a stronger flavor than marjoram. Pot marjoram or Cretan
Herb herb can refer to a much larger range of plants, with culinary, therapeutic or other uses. For example, some of the most commonly described herbs such as Sage, Rosemary and Lavender would be excluded from the botanical definition of a herb as they do not die down each year, and they possess woody stems. In the wider sense, herbs may be herbaceous perennials but also trees, subshrubs, shrubs, annuals, lianas, ferns, mosses, algae, lichens, and fungi. Herbalism can utilize not just stems and leaves but also fruit, roots, bark and gums. Therefore one suggested definition of a herb is a