Sonchus asper

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Sonchus asper
File:Sonchus asper2.jpg
Scientific classification
Kingdom:
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S. asper
Binomial name
Sonchus asper
(L.) Hill 1769
Synonyms[1]
Synonymy
  • Sonchus oleraceus var. asper L. 1753
  • Sonchus aemulus Merino
  • Sonchus australis Hort. ex Colla
  • Sonchus borderi Gand.
  • Sonchus carolinianus Walter
  • Sonchus crocifolius Hort. ex Sch.Bip.
  • Sonchus cuspidatus Blume
  • Sonchus decipiens (De Not.) Zenari
  • Sonchus eryngiifolius Sosn.
  • Sonchus eryngioides DC.
  • Sonchus fallax Wallr.
  • Sonchus ferox Wall.
  • Sonchus glaber Thunb.
  • Sonchus infestus Poepp. ex DC.
  • Sonchus oleraceus Wall. 1831 not L. 1753
  • Sonchus spinosus Lam.
  • Sonchus spinulosus Bigel.
  • Sonchus sulphureus Boiss.
  • Sonchus tibesticus Quézel
  • Sonchus umbellatus E.Mey. ex DC.
  • Sonchus viridis Zenari
  • Sonchus eryngiifolius Sosn. ex Grossh.
  • Sonchus giganteus Shuttlew. ex Rouy
  • Sonchus glaucescens Jord.
  • Sonchus graecus Reut. ex E.Weiss
  • Sonchus kralikii Rouy
  • Sonchus nymanii Tineo & Guss.

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Sonchus asper, the prickly sow-thistle,[2] rough milk thistle,[3] spiny sowthistle,[4] sharp-fringed sow thistle, or spiny-leaved sow thistle, is a widespread plant in the dandelion tribe within the daisy family.

Sonchus asper is an annual or biennial herb sometimes reaching a height of 200 cm (almost 7 feet). with spiny leaves and yellow flowers resembling those of the dandelion. The leaves are bluish-green, simple, lanceolate, with wavy and sometimes lobed margins, covered in spines on both the margins and beneath. The base of the leaf surrounds the stem. The leaves and stems emit a milky sap when cut. One plant will produce several flat-topped arrays of flower heads, each head containing numerous yellow ray flowers but no disc flowers.[5][6]

Sonchus asper is native to Europe, North Africa, and western Asia. It has also become naturalized on other continents and is regarded as a noxious, invasive weed in many places. Its edible leaves make a palatable and nutritious leaf vegetable.[7][8][9][10][11]


References

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External links


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  1. The Plant List, Sonchus asper (L.) Hill
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  5. Flora of North America, Sonchus asper (Linnaeus) Hill, 1769. Spiny-leaf sow-thistle, laiteron rude
  6. Flora of China, Sonchus asper (Linnaeus) Hill, 1769. 花叶滇苦菜 hua ye dian ku cai
  7. Altervista Flora Italiana, Sonchus asper (L.) Hill includes photos and European distribution map
  8. De la Barra, N. 1997. Reconstrucción y Evolución del Paisaje Vegetal Autóctono de la Zona Urbana y Peri-urbana de la Ciudad de Cochabamba i–v, 1–174. Tesis, Universidad Mayor San Simón, Cochabamba
  9. Marticorena, C. & M. Quezada. 1985. Catálogo de la Flora Vascular de Chile. Gayana, Botany 42: 1–157
  10. Humbert, H. 1923. Les Composées de Madagascar. Mémoires de la Société Linnéenne de Normandie 25: 1–335.
  11. Atlas of Living Australia