Sonchus asper

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Species of flowering plant in the daisy family Asteraceae

title: "Sonchus asper" type: doc version: 1 created: 2026-02-28 author: "Wikipedia contributors" status: active scope: public tags: ["sonchus", "flora-of-europe", "flora-of-western-asia", "flora-of-north-africa", "leaf-vegetables", "cosmopolitan-species", "flora-of-syria"] description: "Species of flowering plant in the daisy family Asteraceae" topic_path: "general/sonchus" source: "https://en.wikipedia.org/wiki/Sonchus_asper" license: "CC BY-SA 4.0" wikipedia_page_id: 0 wikipedia_revision_id: 0

::summary Species of flowering plant in the daisy family Asteraceae ::

|image = Sonchus asper2.jpg |genus = Sonchus |species = asper |authority = (L.) Hill 1769 |synonyms_ref = |synonyms = {{collapsible list|bullets = true |title=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.

Sonchus asper, the prickly sow-thistle, rough milk thistle, spiny sowthistle, sharp-fringed sow thistle, or spiny-leaved sow thistle, is a widespread flowering plant in the tribe Cichorieae within the family Asteraceae. ::figure[src="https://upload.wikimedia.org/wikipedia/commons/6/65/Sonchus_asper_plant.jpg" caption="Sonchus asper"] ::

Description

Sonchus asper is an annual or biennial herb sometimes reaching a height of 200 cm 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.

Distribution

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.

It is found in cultivated soil, pastures, roadsides, edges of yards, vacant lots, construction sites, waste areas and in grasslands.

References

References

  1. [http://www.theplantlist.org/tpl1.1/record/gcc-130230 The Plant List, ''Sonchus asper'' (L.) Hill ]
  2. {{BSBI 2007
  3. "USDA GRIN Taxonomy".
  4. {{PLANTS
  5. [http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=200024556 Flora of North America, ''Sonchus asper'' (Linnaeus) Hill, 1769. Spiny-leaf sow-thistle, laiteron rude ]
  6. [http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=200024556 Flora of China, ''Sonchus asper'' (Linnaeus) Hill, 1769. 花叶滇苦菜 hua ye dian ku cai ]
  7. [http://luirig.altervista.org/flora/taxa/index1.php?scientific-name=sonchus+asper 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. [http://bie.ala.org.au/species/urn:lsid:biodiversity.org.au:apni.taxon:623826# Atlas of Living Australia]
  12. [https://www.iewf.org/weedid/Sonchus_oleraceus.htm Sonchus oleraceus L.] by iewf.org

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sonchusflora-of-europeflora-of-western-asiaflora-of-north-africaleaf-vegetablescosmopolitan-speciesflora-of-syria