myrtle (redirected from common myrtle)

myrtle, common name for the Myrtaceae, a family of shrubs and trees almost entirely of tropical regions, especially in America and Australia. The family is characterized by leaves (usually evergreen) containing aromatic volatile oils. Many have showy blossoms. Although of lesser importance in the United States, the family is of considerable economic value throughout the world for timber, gums and resins, oils, spices, and edible fruits. The true myrtle genus (Myrtus) is predominantly of the American tropics, but the classical myrtle (M. communis) is native to the Mediterranean area. It is a strongly scented bush whose glossy leaves and blue-black berries were made into wreaths for victors in the ancient Olympic games. (In America several unrelated plants are also called myrtles, e.g., the sand myrtle of the heath family, the periwinkles of the dogbane family, and several species of the bayberry family.) Among the many trees of the myrtle family yielding edible fruit, only the guava (genus Psidium), native to tropical America, is grown commercially in the United States. The most important spice plants of the family are the clove tree (Syzygium aromaticum or Eugenia caryophyllata), native to the Moluccas and the Spice Islands, and the tropical American Pimenta genus that includes the pimento or allspice (P. officinalis or dioica) and the bay rum tree (P. racemosa), source of an oil used as an ingredient of bay rum. Eucalyptus, a large genus of evergreen shrubs and trees, is a characteristic component of the flora in its native Australia, where it is the leafy haunt and sole food source of the koala, often associated with it in story. Among its many common names are ironbark, bloodwood, and gum tree (a name also applied to many unrelated trees). Numerous species, especially the Tasmanian blue gum (E. globulus), are now naturalized in the W United States and have become the distinctive vegetation of many California areas that were previously treeless. In Australia several species are among the tallest trees known, e.g., E. regnans, which reaches a height of over 300 ft (91 m). Eucalyptus trees are a valuable source of timber, of kinos (a resinous substance used in medicines and tanning), and of eucalyptol and other essential and medicinal oils. Some hardwood members of the myrtle family are among the many trees known as ironwood, e.g., Eugenia confusa, of Florida and tropical America. The myrtle family is classified in the division Magnoliophyta, class Magnoliopsida, order Myrtales.

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myrtle

Any of the evergreen shrubs in the genus Myrtus (family Myrtaceae). Authorities differ widely over the number of species included; most occur in South America, while some are found in Australia and New Zealand. Common myrtle (M. communis) is native to the Mediterranean and the Middle East and is cultivated in southern England and the warmer portions of North America. Other plants known as myrtle include the mountain laurel and periwinkle. The family Myrtaceae, commonly called the myrtle family, includes the plants that produce the spices allspice and cloves, and the genus Eucalyptus. See also crape myrtle.

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myrtle

1. any evergreen shrub or tree of the myrtaceous genus Myrtus, esp M. communis, a S European shrub with pink or white flowers and aromatic blue-black berries

2. short for crape myrtle

3. bog myrtle

4. creeping or trailing myrtle US and Canadian another name for periwinkle (the plant) Mysia

an ancient region in the NW corner of Asia Minor

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myrtle

to Renaissance, its perpetual greenness symbolized everlasting love. [Art: Hall, 219]

See : Love