Tansy ragwort (Senecio jacobaea L. Asteraceae), is a poisonous Eurasian weed that can cause livestock losses. It is established in cool, wet areas, most commonly on the east and west coasts. Senecio jacobaea var. Uses . Retour à la référence de la note de bas de page 4. Threat status Europe: Not evaluated (IUCN) The EUNIS species component has very limited information about this species. Link to USDA Germplasm Resources Information Network. This name is a synonym of Jacobaea vulgaris Gaertn.. Attractive throughout the growing season, the leaves are covered with fine matted hairs, giving them a felted or woolly, silver or white appearance. Senecio jacobaea L. Senecio jacobaea Kunze Senecio jacobaea D.Don Senecio jacobaea Brot. ex Willk. pp. Séneçon Jacobée; herbe-de-Jacob; Taxon Remarks Native. The plant has bright yellow flowers that form on long stems. Plants can reach 1-4 ft. (0.3-1.2 m) tall. of ref. The variation in Senecio jacobaea L. in the British Isles is described. J Ecol 62:47–66 . 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. Senecio praealtus subsp. Tansy-ragwort; stinking Willie; French Common Names. Foliage The leaves of the basal rosette have petioles, cauline (stem) leaves are sessile and both are deeply lobed and alternate. Gainesville, Florida; USA: Center for Environmental Programs, Institute of Food and Agricultural Sciences, Florida University, 174-180. This website is dedicated … Main Audio . The ecological behaviour of ragwort can be explained by its tendency to act as a colonising plant, which is encouraged by pasture disturbance. dunensis (Dumort.) Tansy-ragwort; stinking Willie; French Common Names. Facts. nudus (Weston) Soják; Senecio jacobaea var. Cout. sparsilobatus (Parish) H.M. Hall; Senecio jonesii Rydb. Summary: An overview of the biological management of Senecio jacobaea L. in Australia. Ottawa, ON. Common Name stinking willie. Data Entry By shortt. Planta, 207(4):483-495; 3 pp. Sell. 7. : Jacobaea vulgaris Gaertn. Agriculture and Agri-Food Canada, Research Branch. Prohibited organisms are declared pests by virtue of section 22(1), and may only be imported and kept subject to permits. Senecio jacobaea L. Common name(s): St James wort, ragwort, stinking willie, tansy ragwort. 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 … An illustrated flora of the northern United States, Canada and the British Possessions. 67-79. Note de bas de page 6. Measurement Or Fact. Arctiidae) and ragwort, Senecio jacobaea L. (Compositae) in Canada. & Lange Senecio jacobaea Brot. Čeleď: Asteraceae Bercht. Photo by Michael Shephard, USDA Forest Service, available from Bugwood.org. erucoides DC. Tansy Ragwort - Senecio jacobaea L. Date Published: January 20, 2003 Tansy ragwort is generally a biennial forming a rosette its first year of growth. condensatus Druce, are recognized. Senecio jacobaea(L.) Britton, N.L., and A. Hartmann T, 1999. Family: Asteraceae . Ragwort (Senecio jacobaea L.) was introduced to Victoria between 1880 and 1890 and is now firmly established, and a great problem, in the southern, high‐rainfall areas of the State. Senecio jacobaea L. (tansy ragwort) is a roadside and pasture weed which was introduced into Canada in the 1850s. Created 2012-02-21 . Senecio jacobaea L. Senecio jacobaea L. is a synonym of Jacobaea vulgaris Gaertn. Ragwort is extremely widespread in New Zealand, particularly in the North Island central plateau; it spreads rapidly and unless checked will cover whole pastures in a few years, causing great loss to fanners, especially dairy farmers. The main focus of the EUNIS species component is to provide relevant information about the European species protected by Directives, Conventions and Agreements. Contributed by: USDA NRCS Montana State Office . Genus Senecio. 2013. Weed Res 12:37–45. - (118415 records) species Synonym Name authority: UKSI Establishment means: Native. Flat-topped clusters of several or many daisy-like flowers appear from July to September. 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. Measurement Or Fact. Schmidl L (1972) Biology and control of ragwort, Senecio jacobaea L in Victoria, Australia. Scientific plant list. Neal R. Spencer [ed.]. Tansy ragwort flowers. Syn. Checklists containing Senecio jacobaea subsp. Senecio jacobaea L. NATURALIZED Habit: Biennial or perennial herb 2--9 dm, from taproot or taprooted branched caudex. Senecio jacobaea subsp. foliosus (DC.) Scientific Name Authorship L. Taxon Rank Species. Main Video. It was first seen in seaports in the early 1900's, and is easily spread in contaminated hay. Link to Flora of North America. Senecio jacobaea L. Common Names. (eds) Natural Compounds. Senecio jacobaea L. Plant Symbol = SEJA. Main Image. Courtesy of Kentucky Native Plant Society. Senecio jacobaea L. Synonyms. Sell . staggerwort, stinking willie. THE ECOLOGY OF RAGWORT (SENECIO JACOBAEA L.) A REVIEW Summary: The available literature on ragwort is reviewed. Ragwort Toxic Components Horses are particularly sensitive to the poisonous effects of ragwort, and tend to avoid it; however if horses … Data Entry By shortt. Kadereit & P.D. Name. 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. Legal status: Declared Pest, Prohibited - s12. Well-formed: Y Recommended: N NBN ID code: NHMSYS0000463433. Alternate Names . Stem: 1--10+, often purple-tinged, sparsely hairy to glabrous. dunensis (Dumort.) 2003. Botanical Family Asteraceae. Two subspecies, subsp. jacobaea and subsp. Keywords: Ragwort, Senecio jacobaea, biological control, Longitarsus flavicornis, L. jacobaeae, Cochylis atricapitana, Botanophila seneciella, B. jacobaeae, Platyptilia isodactyla. Chemical ecology of pyrrolizidine alkaloids. Common Ragwort is widespread throughout the UK and can be found on wasteland, development land, roadside verges, railway land, amenity land, conservation … Biological Control of Ragwort (Senecio jacobaea L.) in Australia. View larger map. Tansy Ragwort (Senecio jacobaea L.) Tansy ragwort is a biennial or short-lived perennial in the Asteraceae (sunflower) family. tansy ragwort. Created 2012-02-21. Proceedings of the IV International Symposium on Biological Control of Weeds. 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. Kadereit & P.D. 3: 542. This species is declared under legislation in the following states and territories: New South Wales: Class 4 - a locally controlled weed. 2007 . The taprooted plants have one or more branched stems, and grow to 1.2m in height. Senecio jacobaea L. Family Asteraceae. Modified 2018-01-24. Ragwort (Jacobaea vulgaris or Senecio jacobaea) is a biennial (sometimes annual or perennial) herbaceous flowering plant. Scientific Name Authorship L. Taxon Rank Species. Senecio ionophyllus Greene var. Autor Lubomír Rak | 3. Description: Perennial or biennial rhizomatous herb, mostly 30–80 cm high, unbranched except below inflorescence, at first cobwebby and then ± glabrous. Kadereit & P. D. Sell, stat. Overview Appearance Jacobaea vulgaris is a biennial to short lived perennial herb native to Eurasia. Senecio nemorosus Jord. Quick facts. English Common Names. Inventory of Canadian Agricultural Weeds. BSBI List of British & Irish Vascular Plants and Stoneworts, version 1 (Recommended) Well-formed: N Recommended: N NBN ID code: … Modified 2018-01-24. Senecio jacobaea L. Family Asteraceae. Séneçon Jacobée; herbe-de-Jacob; Taxon Remarks Native. Note de bas de page 5. The leaf lobes are oblong and web-shaped. Senecio jacobaea Scientific Name Senecio jacobaea L. Synonyms Jacobaea vulgaris Gaertn. Senecio jacobaea L. Symbol SEJA. 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. Specific Epithet jacobaea. The erect stem is branched from about the middle of the stalk up to the top, and the top is often 'woolly'. In: Azimova S.S., Saidkhodzhaev A.I. jacobaea; Senecio jacobaea subsp. Royer, F. and Dickinson, R. 1999. 1913. These rosettes can range from 5-30 cm in diameter. The species is important economically because the presence of pyrrolizidine alkaloids in the foliage makes it toxic and the poisoning of livestock has resulted. Legislation. Senecio jacobaea L. (accepted name Jacobaea vulgaris) Click below for synonym of Jacobaea vulgaris Gaertn. Brown. Retour à la référence de la note de bas de page 5. It often is found in grassland and disturbed ground. Family: Asteraceae 6β-ANGELOYLOXY-FURANOEREMOPHIL-9(10)-EN-1-ONE [1] Cite this entry as: (2013) Senecio jacobaea L.. Kujasorsimo in Finnish Landøyda … Specific Epithet jacobaea. Senecio jacobaea L. Senecio jacobaea subsp. Darbyshire, S. J. Senecio jacobaea L. Canadian Journal of Plant Science 71: 127-140. Caution: This plant may be weedy or invasive. 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: … SENECIO JACOBAEA L. – starček přímětník / starček Jakubov. jacobaea; Senecio jacobaeoides Willk. 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. dunensis (Dumort.) Vol. jacobaea and var. In the second year, it produces a tall flower stem up to one meter in height. Tansy ragwort is considered a noxious weed in California and the Northwest, but it is rare in New England. Licence. Senecio jacobaea L. Images from the web. Senecio jacobaea L. APNI* . Genus Senecio. Attribution. Categories. nov., the former with two varieties, var. Scientific Name: Senecio jacobaea L. Common Name: tansy ragwort . Ragwort-infested pasture and closed pasture alternate with each other, and this is influenced by a number of environmental 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. Proceedings of the X International Symposium on Biological Control of Weeds 4-14 July 1999, Montana State University, Bozeman, Montana, USA. English Common Names. Biological Control of Ragwort (Senecio jacobaea L.) in Australia D. A. McLAREN 1 , J. E. IRESON 2 , and R. M. 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