Orange rue
| Orange rue | ||||||||||||
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Orange rue with flowers |
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| Systematics | ||||||||||||
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| Scientific name | ||||||||||||
| Murraya paniculata | ||||||||||||
| ( L. ) Jack |
The orange rue ( Murraya paniculata ), sometimes also referred to as orange jasmine , is a species of the rhombus family (Rutaceae). It comes from Southeast Asia and is used as an ornamental plant in the tropics .
description
The orange-rue is an evergreen shrub or small tree that can reach heights of up to 12 meters, but usually remains significantly smaller (typically 2 to 3 meters). Older specimens often form several trunks. The alternate , glossy and dark green leaves are pinnate . The mostly three to nine pinna - leaves, which are also alternately arranged on the rhachis leaf, are egg-shaped to elliptical with a length of up to 5 cm with a smooth or notched edge. When rubbed, the leaves develop a citrus-like odor.
The terminal or lateral inflorescences appear all year round, but mostly between April and October. The pleasantly fragrant flowers are five-fold with a double flower envelope . The five sepals are ovate to lanceolate with a length of up to 2 mm. The five white petals are 12 to 18 mm long, narrow-elliptical to inverted-lanceolate. There are ten stamens .
The small, dark orange to vermilion colored fruits are narrow ellipsoidal to ovoid and reach up to 1.4 cm in length. One or two seeds are embedded in the bitter-tasting pulp . The fruits thus resemble those of the coffee bush. Murraya paniculata is therefore also known as "Café de la India" in Puerto Rico.
The number of chromosomes is 2n = 18.
distribution
The distribution area of the orange rue stretches from Pakistan via India and southern China to Taiwan , the Philippines , the Ryūkyū Islands and the Marianas , to the south via Malaysia and Indonesia to New Guinea and parts of Australia . It is now naturalized in other tropical areas.
The orange-rue particularly thrives in thickets and mountain forests (in China it rises to altitudes of 1300 meters). It prefers sunny to slightly shaded locations and tolerates a wide range of acidic to alkaline soils .
use
Because of its attractive appearance, the orange-rue is used as an ornamental plant in many tropical regions .
Plant parts (especially leaves and bark) of the orange-rue find various uses in folk medicine in their home countries, for example as an emetic or against fever and inflammation. In animal experiments, analgesic effects of bark extracts could be demonstrated.
In Myanmar , Thanaka , a paste used as a natural cosmetic, is made from the finely grated bark of the orange rue or wood from related species .
Systematics
Synonyms for Murraya paniculata (L.) Jack are Chalcas paniculata L. ( Basionym ) and Chalcas exotica Millsp. Furthermore, a subspecies Murraya paniculata var. Ovatifoliolata Engl . Has been described, which is also regarded by some authors as an independent species Murraya ovatifoliolata (Engl.) Domin .
Individual evidence
- ↑ Succulentavenue: Azahar de la India, un arbusto con exquisita fragancia. In: Succulent Avenue. July 2, 2017, accessed January 31, 2019 (American English).
- ↑ Manas Kumar Podder, Biswa Nath Das et al .: Analgesic activity of bark of Murraya paniculata . Boarding school Journal of Medicine and Medical Sciences Vol. 3 (4), pp. 105–108, 2011 ( online) (PDF; 53 kB)
- ^ Germplasm Resources Information Network (GRIN)
- ^ Murraya on Germplasm Resources Information Network (GRIN), USDA , ARS , National Genetic Resources Program. National Germplasm Resources Laboratory, Beltsville, Maryland. Retrieved June 10, 2017.
