- (118415 records) species Synonym Name authority: UKSI Establishment means: Native. Categories. Proceedings of the X International Symposium on Biological Control of Weeds 4-14 July 1999, Montana State University, Bozeman, Montana, USA. Genus Senecio. Senecio jacobaea Loscos & Pardo Common names Almindelig Rug in Danish Eng-Rapgræs in Danish Engrapp in Norwegian Grått saltgräs in Swedish Jakobs-Greiskraut in German Jakobs-Greiskraut in German Jakobskruiskruid in language. It often is found in grassland and disturbed ground. jacobaea; Senecio jacobaeoides Willk. Kadereit & P.D. In the second year, it produces a tall flower stem up to one meter in height. Senecio jacobaea L. Images from the web. Google Scholar; Sheldon JC (1974) The behaviour of seeds in soil III The influence of seed morphology and the behaviour of seedlings on the establishment of plants from surface-lying seeds. Well-formed: Y Recommended: N NBN ID code: NHMSYS0000463433. dunensis (Dumort.) Checklists containing Senecio jacobaea subsp. & Lange Senecio jacobaea Brot. Senecio jacobaea L. Senecio jacobaea Kunze Senecio jacobaea D.Don Senecio jacobaea Brot. Senecio jacobaea L. Common name(s): St James wort, ragwort, stinking willie, tansy ragwort. Tansy Ragwort Senecio jacobaea L. Cochylis atricapitana (Stephens) DESCRIPTION: Moth - 3 mm tan with dark marking on upper wing surface: BACKGROUND: LIFE CYCLE: Availability: Habitat: Adult Emergence : Egg Laying: Larva Development: F1: Adult Life Span: Over Winters: N: Higher elevations wherever Tansy ragwort occurs: Not known: On surface of root crown: Mine root crown: Not known: … Hartmann T, 1999. nudus (Weston) Soják; Senecio jacobaea var. Autor Lubomír Rak | 3. Attribution. Tansy-ragwort; stinking Willie; French Common Names. Family: Asteraceae 6β-ANGELOYLOXY-FURANOEREMOPHIL-9(10)-EN-1-ONE [1] Cite this entry as: (2013) Senecio jacobaea L.. Senecio ionophyllus Greene var. Measurement Or Fact. sparsilobatus (Parish) H.M. Hall; Senecio jonesii Rydb. Legal status: Declared Pest, Prohibited - s12. 3: 542. Darbyshire, S. J. Data Entry By shortt. The species is important economically because the presence of pyrrolizidine alkaloids in the foliage makes it toxic and the poisoning of livestock has resulted. THE ECOLOGY OF RAGWORT (SENECIO JACOBAEA L.) A REVIEW Summary: The available literature on ragwort is reviewed. An illustrated flora of the northern United States, Canada and the British Possessions. foliosus (DC.) Ragwort (Senecio jacobaea) is regarded as an environmental weed in Victoria and Tasmania, and was recently listed as a priority environmental weed in three Natural Resource Management regions. Description: Perennial or biennial rhizomatous herb, mostly 30–80 cm high, unbranched except below inflorescence, at first cobwebby and then ± glabrous. Main Image. Senecio jacobaea Scientific Name Senecio jacobaea L. Synonyms Jacobaea vulgaris Gaertn. Uses . Ottawa, ON. Specific Epithet jacobaea. Quick facts. Kadereit & P. D. Sell, stat. Senecio jacobaea L. Senecio jacobaea subsp. Senecio jacobaea L. (tansy ragwort) is a roadside and pasture weed which was introduced into Canada in the 1850s. Biological Control of Ragwort (Senecio jacobaea L.) in Australia D. A. McLAREN 1 , J. E. IRESON 2 , and R. M. KWONG 1 1 CRC for W eed Management Systems and Department of Natural Resources and Senecio jacobaea L. Asteraceae biennial Form / Appearance Common Ragwort is an erect plant usually 30-100cm high, stems are tough and often tinged red near the base. This website is dedicated … The plant has bright yellow flowers that form on long stems. It was first seen in seaports in the early 1900's, and is easily spread in contaminated hay. Senecio jacobaea L. Senecio jacobaea L. is a synonym of Jacobaea vulgaris Gaertn. Senecio praealtus subsp. Chemical ecology of pyrrolizidine alkaloids. Brown. Prohibited organisms are declared pests by virtue of section 22(1), and may only be imported and kept subject to permits. BSBI List of British & Irish Vascular Plants and Stoneworts, version 1 (Recommended) Well-formed: N Recommended: N NBN ID code: … Tansy Ragwort - Senecio jacobaea L. Date Published: January 20, 2003 Tansy ragwort is generally a biennial forming a rosette its first year of growth. It is considered an invasive weed in most parts of the world and is well known for its poisonous effects on livestock over the years. Tansy Ragwort (Senecio jacobaea L.) Tansy ragwort is a biennial or short-lived perennial in the Asteraceae (sunflower) family. The variation in Senecio jacobaea L. in the British Isles is described. Gainesville, Florida; USA: Center for Environmental Programs, Institute of Food and Agricultural Sciences, Florida University, 174-180. of ref. Senecio jacobaea L. Canadian Journal of Plant Science 71: 127-140. erucoides DC. Senecio jacobaea subsp. Created 2012-02-21. Ragwort Toxic Components Horses are particularly sensitive to the poisonous effects of ragwort, and tend to avoid it; however if horses Keywords: Ragwort, Senecio jacobaea, biological control, Longitarsus flavicornis, L. jacobaeae, Cochylis atricapitana, Botanophila seneciella, B. jacobaeae, Platyptilia isodactyla. Kujasorsimo in Finnish Landøyda … Cout. Weed Res 12:37–45. jacobaea; Senecio jacobaea subsp. Photo by Michael Shephard, USDA Forest Service, available from Bugwood.org. Main Video. Arctiidae) and ragwort, Senecio jacobaea L. (Compositae) in Canada. Kadereit & P.D. Courtesy of Kentucky Native Plant Society. The main focus of the EUNIS species component is to provide relevant information about the European species protected by Directives, Conventions and Agreements. Note de bas de page 5. Agriculture and Agri-Food Canada, Research Branch. jacobaea and subsp. Caution: This plant may be weedy or invasive. The erect stem is branched from about the middle of the stalk up to the top, and the top is often 'woolly'. 67-79. SENECIO JACOBAEA L. – starček přímětník / starček Jakubov. Senecio jacobaea L. NATURALIZED Habit: Biennial or perennial herb 2--9 dm, from taproot or taprooted branched caudex. Botanical Family Asteraceae. Modified 2018-01-24. tansy ragwort. Tansy ragwort flowers. Data Entry By shortt. dunensis (Dumort.) Senecio jacobaea L. (accepted name Jacobaea vulgaris) Click below for synonym of Jacobaea vulgaris Gaertn. Senecio jacobaea L. Family Asteraceae. nov., the former with two varieties, var. Stem: 1--10+, often purple-tinged, sparsely hairy to glabrous. This name is a synonym of Jacobaea vulgaris Gaertn.. Summary: An overview of the biological management of Senecio jacobaea L. in Australia. Sell . Link to Flora of North America. J Ecol 62:47–66 . These rosettes can range from 5-30 cm in diameter. Foliage The leaves of the basal rosette have petioles, cauline (stem) leaves are sessile and both are deeply lobed and alternate. Link to USDA Germplasm Resources Information Network. Senecio jacobaea L. APNI* . Séneçon Jacobée; herbe-de-Jacob; Taxon Remarks Native. The leaf lobes are oblong and web-shaped. Plants can reach 1-4 ft. (0.3-1.2 m) tall. Scientific Name: Senecio jacobaea L. Common Name: tansy ragwort . Name. The record derives from TICA (data supplied on 2012-02-11) which reports it as a synonym (record C1E7E371-2AC7-4A31-AA75-060A7ADC710A) with original publication details: 870 1753. 2003. Created 2012-02-21 . Planta, 207(4):483-495; 3 pp. ex Willk. Senecio jacobaea L. Plant Symbol = SEJA. Main Audio . Sell. Scientific Name Authorship L. Taxon Rank Species. Threat status Europe: Not evaluated (IUCN) The EUNIS species component has very limited information about this species. Family Asteraceae (Queensland, New South Wales, the ACT, Victoria, Tasmania, Western Australia and the Northern Territory) Compositae (South Australia) Common Names common ragwort, hysterical weed, ragwort, stagger wort, staggerwort, tansy butterweed, tansy ragwort, stinking willie, stinking willy, St … Legislation. Overview Appearance Jacobaea vulgaris is a biennial to short lived perennial herb native to Eurasia. Ragwort-infested pasture and closed pasture alternate with each other, and this is influenced by a number of environmental and … Common Name stinking willie. Senecio jacobaea(L.) Britton, N.L., and A. The ecological behaviour of ragwort can be explained by its tendency to act as a colonising plant, which is encouraged by pasture disturbance. Scientific plant list. Tansy ragwort is considered a noxious weed in California and the Northwest, but it is rare in New England. Common Ragwort is widespread throughout the UK and can be found on wasteland, development land, roadside verges, railway land, amenity land, conservation … Modified 2018-01-24. It is established in cool, wet areas, most commonly on the east and west coasts. … Senecio jacobaea var. 2013. Senecio jacobaea L. Family Asteraceae. Licence. English Common Names. pp. In: Azimova S.S., Saidkhodzhaev A.I. 7. Inventory of Canadian Agricultural Weeds. Flat-topped clusters of several or many daisy-like flowers appear from July to September. English Common Names. 1913. Tansy ragwort (Senecio jacobaea L. Asteraceae), is a poisonous Eurasian weed that can cause livestock losses. Facts. Scientific Name Authorship L. Taxon Rank Species. Proceedings of the IV International Symposium on Biological Control of Weeds. Contributed by: USDA NRCS Montana State Office . Senecio jacobaea L. Symbol SEJA. Tansy-ragwort; stinking Willie; French Common Names. Family: Asteraceae . Ragwort (Jacobaea vulgaris or Senecio jacobaea) is a biennial (sometimes annual or perennial) herbaceous flowering plant. Retour à la référence de la note de bas de page 4. Neal R. Spencer [ed.]. Specific Epithet jacobaea. Séneçon Jacobée; herbe-de-Jacob; Taxon Remarks Native. Grown for its striking foliage, Jacobaea maritima or Senecio cineraria (Dusty Miller), is a bushy perennial or subshrub with silvery, finely textured, dissected leaves, sometimes with a lace-like appearance. dunensis (Dumort.) Attractive throughout the growing season, the leaves are covered with fine matted hairs, giving them a felted or woolly, silver or white appearance. Genus Senecio. Measurement Or Fact. Senecio nemorosus Jord. Čeleď: Asteraceae Bercht. jacobaea and var. : Jacobaea vulgaris Gaertn. View larger map. Syn. Vol. staggerwort, stinking willie. Alternate Names . 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