nerium oleander
[6] ascribed to the Oleander's toxicity to humans. De bladeren staan meestal in kransen van drie tot vier stuks; in zeldzame gevallen zijn ze tegenoverstaand. ", "Will freeway oleander survive the drought? [17] The best method for preventing further spread of the disease is to prune infected oleanders to the ground immediately after the infection is noticed. Oleander op stam snoeien. Oleander (Nerium Oleander) De oleander is een decoratieve maar zeer giftige struik of boom. Retrieved on 2009-07-27., Short description is different from Wikidata, Articles with unsourced statements from May 2017, Articles with unsourced statements from November 2017, Articles with unsourced statements from October 2019, Taxonbars using multiple manual Wikidata items, Creative Commons Attribution-ShareAlike License, "The Terrace at Méric (Oleanders)", an 1867 Impressionist painting by, "The Rehearsal of the Flute Player and the Wife of Diomedes in the Atrium of Prince Napoleon's Pompeian House in Paris" (1861) by, Oleanders were famously referenced by the band, Oleander was used as a poison to kill mice, on, In the late 6th century/early 7th century AD, Oleander is the official flower of the city of, This page was last edited on 16 October 2020, at 18:55. ‘Algiers’ grows 5 to 8 feet tall. The showy corolla acts as a potent advertisement to attract pollinators from a distance, but the flowers are nectarless and offer no reward to their visitors. For this reason gardeners are advised to prune mature shrubs in the autumn to shape and induce lush new growth and flowering for the following spring. The Egyptians apparently called it scinphe, the North Africans rhodedaphane, and the Lucanians (a southern Italic people) icmane. Oleander is a vigorous grower in warm subtropical regions, where it is extensively used as an ornamental plant in parks, along roadsides and in private gardens. Tijdens de overwintering weinig water geven. Oleanders are usually very large, mounded shrubs that take up considerable space in the landscape. [18] Moody Gardens in Galveston hosts the propagation program for the International Oleander Society, which promotes the cultivation of oleanders. They require frequent heavy watering and fertilizing as compared to being planted in the ground, but oleander is nonetheless an ideal flowering shrub for patios and other spaces with hot sunshine. Toxicon. Oleanders (Nerium oleander) are distinctive and beautiful, large, flowering shrubs that thrive with little care. Bandara V, Weinstein SA, White J, Eddleston M. A review of the natural history, toxinology, diagnosis and clinical management of Nerium oleander (common oleander) and Thevetia peruviana (yellow oleander) poisoning. Een evenwichtige (N,P,K) korrelmeststof kan ook, doch wees voorzichtig dat je niet teveel strooit.Snoeien: geen drastische snoei. Mature caterpillars are highly visible – up to 2 inches long, orange-red with black tufts of hair. A bacterial disease known as oleander leaf scorch has become an extremely serious threat to the shrub since it was first noticed in Palm Springs, California, in 1992. Leaves generally grow in whorls. Volgens Theophrastus werd de oleander op de veldtocht van Alexander de Grote als gifplant gebruikt. The foliage has creamy white variegation on leaf margins. In July 2009, several horses were poisoned in this manner from the leaves of the plant. Nerium Oleander bloeit langdurig van begin zomer tot in het najaar. Photo by Joey Williamson, ©2015 HGIC, Clemson Extension. "[38] In 2000, a rare instance of death from oleander poisoning occurred when two toddlers adopted from a Siberian orphanage ate the leaves from a neighbor's shrub in El Segundo, California. For other uses, see, This article is about the species of plant. By signing up for this email, you are agreeing to news, offers, and information from Encyclopaedia Britannica. Oct-Dec. 11(3), 115–116. De oleander (Nerium oleander) is een plant uit de maagdenpalmfamilie (Apocynaceae). Ze zijn leerachtig, 10-22 cm lang, toegespitst en aan de basis in de steel versmallend. [51] Pedanius Dioscorides states in his 1st century AD pharmacopeia De Materia Medica that the Romans used the Greek rhododendron but also the Latin Oleander and Laurorosa. They are less cold hardy than most oleanders and should only be used in very sheltered areas near the coast. Verzorging: De struikspiegel onderaan vrij houden en tijdig de verwelkte bloemen verwijderen om mogelijke ziekten en schimmels te voorkomen. Mogelijke schade door invriezing aan de toppen wordt meestal snel terug gewonnen door aanmaak van nieuwe scheuten.In de warme zomerdagen mag er veel lauw water gegeven worden, daar de droogte de plant enigszins afremt. All parts of the plant are very toxic if eaten, and contact with them may cause skin irritation. [33] The solid whites, reds and a variety of pinks are the most common. [16] There are estimated to be 25 million oleanders planted along highways and roadsides throughout the State of California. Carbonized fragments of oleander wood have been identified at the Villa Poppaea in Oplontis, likewise buried by the eruption of Vesuvius in A.D. Oleanders (Nerium oleander) are distinctive and beautiful, large, flowering shrubs that thrive with little care.They are very heat and drought-tolerant once established, and will grow especially well in seaside gardens, tolerating salt spray and wind. Oleander is afkomstig uit landen rondom de Middellandse Zee. Symptoms of leaf scorch infection may be slow to manifest themselves, but it becomes evident when parts of otherwise healthy oleanders begin to yellow and wither, as if scorched by heat or fire. A native of the Mediterranean region, this plant is characterized by its tall shrubby habit and its thick lance-shaped opposite leaves. Het witte melksap, is zelfs na droging nog giftig. Geef de plant pas water als de grond licht is uitgedroogd. Breng de plant dan half november naar binnen, waar hij kan overwinteren in een ruimte met licht bij een temperatuur van 3 – 10 graden. Bloei. Clemson University Cooperative Extension Service offers its programs to people of all ages, regardless of race, color, gender, religion, national origin, disability, political beliefs, sexual orientation, gender identity, marital or family status and is an equal opportunity employer. Let us know if you have suggestions to improve this article (requires login). In some protected areas mature plants may reach up to 20 feet tall. Variegated Twist of pink™ grows to 6 to 8 feet tall and wide, and produces deep pink blooms. Ook het plantwater van de plantenvaas is toxisch. Oleanders grow at a medium to rapid pace, producing 1 to 2 feet or more of growth per year. It is most commonly grown in its natural shrub form, but can be trained into a small tree with a single trunk. Contact of sap with skin may cause irritation. Activated charcoal may also be administered to help absorb any remaining toxins. In warm countries oleanders are widely grown outdoors. [42], Drying of plant materials does not eliminate the toxins. De beste tijd om een oleander te verpotten is maart/april. Verwijder uitgebloeide bloemen om uitputting van de plant tegen te gaan en om ziekten en schimmels te voorkomen. [citation needed], Drugs derived from N. oleander have been investigated as a treatment for cancer, but have failed to demonstrate clinical utility. De tekst is beschikbaar onder de licentie. Smoke from burning cuttings can cause severe reactions. Double flowered cultivars like 'Mrs Isadore Dyer' (deep pink), 'Mathilde Ferrier' (yellow) or 'Mont Blanc' (white) are enjoyed for their large, rose-like blooms and strong fragrance. They are typically listed for growing in USDA zones 8b to 10. The fruit or seed vessel consists of two long pods, which liberate a number of seeds, each of which has a tuft of silky hairs. Khan, I. et al. Er zijn cultivars in omloop die vorstbestendig blijken tot -15 °C. Oleanders are tolerant of many different soil types, but must have good drainage. Yellow is unusual, The first oleander planting in Galveston, Texas (1841), "Arali" redirects here. Free-flowering varieties like 'Petite Salmon' or 'Mont Blanc' require no period of rest and can flower continuously throughout the year if the weather remains warm. [32], Oleander flowers are showy, profuse, and often fragrant, which makes them very attractive in many contexts. Er zijn veel verschillende cultivars in omloop. Die-back may cease during winter dormancy, but the disease flares up in summer heat while the shrub is actively growing, which allows the bacteria to spread through the xylem of the plant. [25][26] Fears of honey contamination with toxic oleander nectar are therefore unsubstantiated. [21][22][23] This is also the case with North American cities in the Pacific Northwest like Portland,[24] Seattle, and Vancouver. Illustrated Lecture Notes on Tropical Medicine. It grows to above 8 feet tall. [19], The toxicity of the plant makes it the center of an urban legend documented on several continents and over more than a century. Cold injury on Oleander (Nerium oleander) foliage. [29] Several dwarf cultivars have also been developed, offering a more compact form and size for small spaces. ‘Little Red’ (PP#4836) grows from 3 to 6 feet tall and 3 to 6 feet wide and produces deep red blooms. White, pink or red five-lobed flowers grow in clusters year-round, peaking during the summer. Geprint van, Familie der Apogynaceae, waaronder maagdenpalm (Vinca) en Amsonia behoren. Desai, Umesh R. Cardiac glycosides. Oleander in de volle grond. It produces fragrant, showy clusters of flowers from around May to October, coming in several color varieties. The effect on the central nervous system may show itself in symptoms such as drowsiness, tremors or shaking of the muscles, seizures, collapse, and even coma that can lead to death. Prolonged contact with sap may cause skin irritation, eye inflamation and dermatitis. Nerium oleander heeft als heester een bossig uiterlijk en wordt tussen de 2 en 6 meter hoog! Oleander verdraagt lichte vorst                   Oleander in de zomer. This inhibits the circulation of water in the tissue of the plant, causing individual branches to die until the entire plant is consumed. Hieronymus Bock en Pietro Andrea Mattioli (Matthiolus) duidden de oleander in hun kruidenboeken (1565 en 1626) aan als demonenkruid dat mens en vee kon doden. Oleander bloeit vanaf juli tot half september met enkel of dubbele bloemen in de kleuren roze, rozerood en wit. It is so widely cultivated that no precise region of origin has been identified, though it is usually associated with the Mediterranean Basin. De bloemkroon is wit tot rozerood of geel van kleur, 3-4 cm breed en opgebouwd uit een trechtervormige bloembuis en vijf scheef afgesneden, wielvormig uitgespreide, in de knop gedraaide kroonslippen. [52] Both Pliny and Dioscorides stated that oleander was an effective antidote to venomous snake bites if mixed with rue and drunk. Often told as a true and local event, typically an entire family, or in other tellings a group of scouts, succumbs after consuming hot dogs or other food roasted over a campfire using oleander sticks. Corrections? Huxley, A.; Griffiths, M.; Levy, M. Ze zijn leerachtig, 10-22 cm lang, toegespitst en aan de basis in de steel versmallend.


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