|Bay laurel (Laurus nobilis) flower buds and leaves|
Laurus nobilis is an aromatic "evergreen "tree or large "shrub with green, "glabrous "leaves, in the "flowering plant family "Lauraceae. It is native to the "Mediterranean region and is used as "bay leaf for seasoning in cooking. Its common names include bay laurel, sweet bay, bay (esp. United Kingdom),:84 true laurel, Grecian laurel, laurel tree or simply laurel. Laurus nobilis figures prominently in classical Greek, Roman, and Biblical culture.
Worldwide, many other kinds of plants in diverse families are also called "bay" or "laurel", generally due to similarity of foliage or aroma to Laurus nobilis, and the full name is used for the California bay laurel ("Umbellularia), also in the family Lauraceae.
The laurel is an "evergreen shrub or small tree, variable in size and sometimes reaching 7–18 metres (23–59 ft) tall. The genus Laurus includes four accepted species, whose diagnostic key characters often overlap (Mabberley 1997).
The bay laurel is "dioecious ("unisexual), with male and female "flowers on separate plants. Each flower is pale yellow-green, about 1 cm diameter, and they are borne in pairs beside a leaf. The leaves are glabrous, 6–12 cm long and 2–4 cm broad, with an "entire (untoothed) margin. On some leaves the margin undulates. The "fruit is a small, shiny black berry-like "drupe about 1 cm long that contains one seed.
Laurus nobilis is a widespread relic of the "laurel forests that originally covered much of the "Mediterranean Basin when the climate of the region was more humid. With the drying of the Mediterranean during the "Pliocene era, the laurel forests gradually retreated, and were replaced by the more drought-tolerant "sclerophyll plant communities familiar today. Most of the last remaining laurel forests around the Mediterranean are believed to have disappeared approximately ten thousand years ago, although some remnants still persist in the mountains of southern Turkey, northern Syria, southern Spain, north-central Portugal, northern Morocco, Canary Islands and in "Madeira.
The most abundant component found in laurel "essential oil is "1,8-cineole, also called eucalyptol. The leaves contain about 1.3% essential oils (ol. lauri folii), consisting of 45% eucalyptol, 12% other "terpenes, 8-12% terpinyl acetate, 3–4% "sesquiterpenes, 3% "methyleugenol, and other α- and β-"pinenes, "phellandrene, "linalool, "geraniol, and "terpineol, contains "lauric acid also.
Both essential and fatty oils are present in the fruit. The fruit is pressed and water-extracted to obtain these products. The fruit contains up to 30% fatty oils and about 1% essential oils (terpenes, sesquiterpenes, "alcohols, and "ketones).
The plant is the source of several popular "herbs and one "spice used in a wide variety of recipes, particularly among Mediterranean cuisines. Most commonly, the aromatic "leaves are added whole to Italian pasta sauces. They are typically removed from dishes before serving, unless used as a simple "garnish. Whole bay leaves have a long "shelf life of about one year, under normal temperature and humidity. Whole bay leaves are used almost exclusively as flavor agents during the food preparation stage.
Ground bay leaves, however, can be ingested safely and are often used in "soups and "stocks, as well as being a common addition to a "Bloody Mary. Dried laurel berries and pressed leaf oil can both be used as robust spices, and the wood can be burnt for strong "smoke flavoring.
In "massage therapy, the essential oil of bay laurel is reputed to alleviate arthritis and rheumatism, while in "aromatherapy, it is used to treat earaches and high blood pressure. A traditional "folk remedy for rashes caused by "poison ivy, "poison oak, and "stinging nettle is a "poultice soaked in boiled bay leaves.
Bay is widely cultivated as an "ornamental plant in regions with "Mediterranean or "oceanic climates, and as a house plant or greenhouse plant in colder regions. It is used in "topiary to create single erect stems with ball-shaped, box-shaped or twisted crowns; also for low hedges. Together with a gold form, L. nobilis 'Aurea', it has gained the "Royal Horticultural Society's "Award of Garden Merit.
Laurel oil is a main ingredient, and the distinguishing characteristic of "Aleppo soap.
Bay laurel was used to fashion the "laurel wreath of "ancient Greece, a symbol of highest status. A wreath of bay laurels was given as the prize at the "Pythian Games because the games were in honor of "Apollo, and the laurel was one of his symbols. According to the poet "Lucian, the priestess of Apollo known as the "Pythia reputedly chewed laurel leaves from a sacred tree growing inside the temple to induce the enthusiasmos (trance) from which she uttered the oracular prophecies which she was famous for. Some accounts starting in the fourth century BC describe her as shaking a laurel branch while delivering her prophecies.
The symbolism carried over to "Roman culture, which held the laurel as a symbol of victory. It is also the source of the words "baccalaureate and "poet laureate, as well as the expressions "assume the laurel" and "resting on one's laurels". "Ovid tells the story in the "Metamorphoses that laurel tree was first formed when the "nymph "Daphne was changed into a laurel tree because of "Apollo's pursuit of her. Daphne is the Greek name for the tree.
An early Chinese "etiological myth for the "phases of the moon involved a great forest or tree which quickly grew and lost its leaves and flowers every month. After the "Sui and "Tang "dynasties, this was sometimes connected to a woodsman named "Wu Gang, sentenced to cut at a self-repairing tree as a punishment for varying offenses. The tree was originally identified as a 桂 (guì) and described in the terms of the "osmanthus (Osmanthus fragrans, now known in Chinese as the 桂花 or "gui flower"), whose blossoms are still used to flavor "wine and confections for the "Mid-Autumn Festival. However, in English, it is often associated with the more well-known "cassia (Cinnamomum cassia, now known in Chinese as the 肉桂 or "meat gui") while, in modern Chinese, it has instead become associated with the Mediterranean laurel. By the "Qing dynasty, the "chengyu "pluck osmanthus in the "Toad Palace" (蟾宫折桂, Chángōng zhé guì) meant passing the "imperial examinations, which were held around the time of the lunar festival. The similar association in Europe of laurels with victory and success led to its translation into Chinese as the 月桂 or "Moon gui".
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