Dittrichia graveolens

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Dittrichia graveolens
Dittrichia graveolens Habitus 20September2009 DehesaBoyaldePuertollano.jpg
Dittrichia graveolens at the Dehesa Boyal de Puertollano botanical gardens, Puertollano, Spain
Scientific classification
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D. graveolens
Binomial name
Dittrichia graveolens
(L.) Greuter
Synonyms[1]

Dittrichia graveolens, commonly known as stinkwort[2] or stinking fleabane,[3] is a plant species in the sunflower family, native to southern Europe,[4] North Africa, and western Asia as far east as Pakistan. It has become naturalized in California, Asia, Africa, Australia, and other places and is regarded as a noxious weed in some regions.[5][6][7][8][9] It is a classified as an invasive species in California, and a potential threat to wine production in the state.[10]

Dittrichia graveolens is a branching subshrub up to 130 cm (52 inches) tall, with a rank, foul smell. Leaves are long and narrow, pointed at each end, with small teeth along the edges and glandular hairs on the surfaces. One plant can produce numerous yellow flower heads with as many as 16 ray florets and 40 disc florets.[2]

Dittrichia graveolens can kill grazing animals. Barbs on the fluffy-tipped seeds, which help it spread, damage the animals' digestive systems. Oils in the plant also taint the flavor of meat and milk of animals that have consumed the plants. It has also been known to cause allergic reactions and severe dermatitis in people who come in contact with the sticky resin.[11] So, when pulling this plant out, be sure to wear gloves.

References[edit]

  1. ^ The Plant List, Dittrichia graveolens (L.) Greuter
  2. ^ a b Flora of North America, Stinkwort Dittrichia graveolens
  3. ^ "BSBI List 2007". Botanical Society of Britain and Ireland. Archived from the original (xls) on 2015-01-25. Retrieved 2014-10-17.
  4. ^ Altervista Flora Italiana genere Dittrichia includes photos and European distribution maps
  5. ^ Biota of North America Program, 2014 county distribution map
  6. ^ Atlas of Living Australia, Dittrichia graveolens (L.) Greuter, Stinkwort
  7. ^ "Dittrichia graveolens (L.) Greuter". Germplasm Resources Information Network (GRIN). Agricultural Research Service (ARS), United States Department of Agriculture (USDA). Retrieved 2014-06-16.
  8. ^ Brownsey, Rachel; Guy B. Kyser; Joseph M. DiTomaso (April–June 2013). "Stinkwort is rapidly expanding its range in California" (PDF). California Agriculture. University of California. 67 (2).
  9. ^ Ortiz, Edward (2010-07-28). "Stinkwort's fast growth could threaten California's wine growers - Agriculture - The Sacramento Bee". Sacbee.com. Archived from the original on 2013-08-14. Retrieved 2013-08-14.
  10. ^ Weeds of California and Other Western States, Volume 1, Joseph M. DiTomaso, Evelyn A. Healy. UCANR Publications, 2007. page 350
  11. ^ https://www.aphis.usda.gov/plant_health/plant_pest_info/weeds/downloads/wra/Dittrichia_graveolens_WRA.pdf

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