rue(redirected from ruer)
Also found in: Dictionary, Thesaurus, Medical, Legal, Idioms.
Related to ruer: ruler
rue,common name for various members of the family Rutaceae, a large group of plants distributed throughout temperate and tropical regions and most abundant in S Africa and Australia. Most species are woody shrubs or small trees; many are evergreen and bear spines. The family is characterized by the presence of glands producing an essential oil, and the foliage, fruits, and flowers are noticeably aromatic and fragrant. The aromatic principle is widely utilized for flavorings, perfume oils, and medicines. Chief in importance are the citrus fruitscitrus fruits,
widely used edible fruits of plants belonging to Citrus and related genera of the family Rutaceae (orange family). Included are the tangerine, citrange, tangelo, orange, pomelo, grapefruit, lemon, lime, citron, and kumquat.
..... Click the link for more information. , source of numerous extracted oils but best known as a major tropical-fruit industry, rivaled only by the banana and, to a lesser extent, the pineapple. Also of value medicinally are angostura bark and the rues (both now more commonly used for flavoring) and the poisonous jaborandi. Leaves of the latter (Pilocarpus spp. Brazil) are the source of pilocarpine, used to treat glaucoma. Several species of the Rutaceae yield lumber used for cabinetwork, e.g., the orange and the species called satinwoodsatinwood,
name for a hard and durable wood with a satinlike sheen, much used in cabinetmaking, especially in marquetry. It comes from two tropical trees of the family Rutaceae (rue family).
..... Click the link for more information. . The prickly ashprickly ash,
name for two deciduous shrubs or small trees (Zanthoxylum americanum and Z. clava-herculis) of the family Rutaceae (rue family). They are native to E North America and have prickly twigs and foliage similar to that of the unrelated ash tree.
..... Click the link for more information. , native to North America, is used in domestic brews and is often planted as a fragrant garden ornamental, as are the citrus trees and the varieties of dittany or fraxinella (Dictamnus alba), Old World woody perennials with a strong, lemonlike aroma. The name rue is properly restricted to the shrubby herbs of the genus Ruta, ranging from the Mediterranean to E Siberia. The common rue of history and literature is R. graveolans, which has greenish-yellow flowers and blue-green leaves sometimes variegated, with a very strong odor and a bitter taste. The leaves are now sometimes used in flavorings, beverages, and herb vinegars and in the preparation of cosmetics and perfumes. In medieval times rue was much used as a drug; its use as a condiment was thought to prevent poisons from affecting the system. Rue was strewn about law courts in parts of Great Britain as a preventive against diseases carried by criminals. It was sometimes associated with witches but also symbolized grace, repentance, and memory. Shakespeare in Richard II refers to it as the "sour herb of grace." The family Rutaceae is classified in the division MagnoliophytaMagnoliophyta
, division of the plant kingdom consisting of those organisms commonly called the flowering plants, or angiosperms. The angiosperms have leaves, stems, and roots, and vascular, or conducting, tissue (xylem and phloem).
..... Click the link for more information. , class Magnoliopsida, order Sapindales.
Has very strong compounds that can badly blister skin if touched, and is poisonous except in small doses and should only be handled by professionals. Used to help expel poisons from poisonous bites like scorpion, snake, spider ad jellyfish. Silvery bluish grey leaves, yellow-green flowers. Extremely bitter and can cause gastric upset. Leaves, seeds, branches used in Greek and Ethiopian cuisine. Seeds used to make porridge. Be careful! Know what you are doing with this plant !
traditional symbol of arrogance. [Flower Symbolism: Flora Symbolica, 177]
any rutaceous plant of the genus Ruta, esp R. graveolens, an aromatic Eurasian shrub with small yellow flowers and evergreen leaves which yield an acrid volatile oil, formerly used medicinally as a narcotic and stimulant