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{{Short description|Genus of flowering plants}}
{{Automatic taxobox
|image = Starr_020803-0125_Crassocephalum_crepidioides.jpg
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|display_parents = 2
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|subdivision_ranks = Species
|subdivision = See text
|synonyms = ''Cremocephalum'' {{small|Cass.}}
|synonyms_ref = <ref name = powo>{{cite web |title=''Crassocephalum'' Moench |url=https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:8421-1 |website=[[Plants of the World Online]] |publisher=[[Royal Botanic Gardens, Kew]] |access-date=19 June 2025}}</ref>
}}
'''''Crassocephalum''''' is a [[genus]] the common names of whose members include '''ragleaf''', '''thickhead''', and '''bologi'''. Several species are raised as [[leaf vegetable]]s and used for medicine, especially in [[West Africa]]. Similar to ''[[Senecio]]'', but differing in never having ray florets. A calyculus of short bracts (c.1/4 to 1/5 of the length of the inner phyllaries) is present. The genus is typically thistle-like in appearance, but all parts are soft and not spiny.<ref name="EOL">{{cite web| url = http://eol.org/pages/61969/| title = Details for: ''Crassocephalum''| accessdate = 2013-07-15| author = Encyclopedia of Life| authorlink = eol.org| publisher = [[Encyclopedia of Life]]}}</ref>
==Species==
Species include:<ref>{{cite web|url=http://www.tropicos.org/Name/40015963|title= Details for ''Crassocephalum''|accessdate=18 July 2013|publisher=Tropicos}}</ref>
* ''[[Crassocephalum afromontanum]]'' <small>R.E. Fr., Acta Horti Berg. 9: 144, 1928</small>
* ''[[Crassocephalum aurantiacum]]'' <small>(Blume) Kuntze, Revis. Gen. Pl. 1: 331, 1891</small>
* ''[[Crassocephalum auriformis]]'' <small>S. Moore, J. Linn. Soc., Bot. 37: 171, 1904</small>
* ''[[Crassocephalum baoulense]]'' <small>(Hutch. & Dalziel) Milne-Redh., Kew Bull. 5: 377, 1951</small>
* ''[[Crassocephalum bauchiense]]'' <small>(Hutch.) Milne-Redh., Kew Bull. 5: 376, 1951</small>
* ''[[Crassocephalum behmianum]]'' <small>(Muschl.) S. Moore, J. Bot. 50: 212, 1912</small>
* ''[[Crassocephalum biafrae]]'' <small>(Oliv. & Hiern) S. Moore, J. Bot. 50: 211, 1912</small>
* ''[[Crassocephalum bojeri]]'' <small>(DC.) Robyns, Fl. Spermat. Parc Natl. Albert 2: 544, 1947</small>
* ''[[Crassocephalum bougheyanum]]'' <small>C.D. Adams, J. W. African Sci. Assoc. 3: 111, 1957</small>
* ''[[Crassocephalum bumbense]]'' <small>S. Moore, J. Linn. Soc., Bot. 47: 279, 1925</small>
* ''[[Crassocephalum butaguensis]]'' <small>(Muschl.) S. Moore, J. Bot. 50: 211, 1912</small>
* ''[[Crassocephalum cernuum]]'' <small>(L. f.) Moench, Suppl. Pl. 370, 1781</small>
* ''[[Crassocephalum coeruleum]]'' <small>(O. Hoffm.) R.E. Fr., Wiss. Erg. Schwed. Rhod.-Kongo Exp. 342, 1916</small>
* ''[[Crassocephalum crepidioides]]'' <small>(Benth.) S. Moore, J. Bot. 50(595): 211–212, 1912</small>
* ''[[Crassocephalum diversifolium]]'' <small>Hiern, Cat. Afr. Pl. 1(3): 594, 1898</small>
* ''[[Crassocephalum ducis-aprutii]]'' <small>(Chiov.) S. Moore, J. Bot. 50: 212, 1912</small>
* ''[[Crassocephalum effusum]]'' <small>(Mattf.) C. Jeffrey, Kew Bull. 41(4): 907, 1986</small>
* ''[[Crassocephalum flavum]]'' <small>Decne., Ann. Sci. Nat., Bot., sér. 2, 2: 265, 1834</small>
* ''[[Crassocephalum gossweileri]]'' <small>S. Moore, J. Bot. 56: 226, 1918</small>
* ''[[Crassocephalum gracile]]'' <small>(Hook. f.) Milne-Redh. ex Guinea, Anales Jard. Bot. Madrid 1: 307, 1951</small>
* ''[[Crassocephalum guineense]]'' <small>C.D. Adams, J. W. African Sci. Assoc. 8: 129, 1964</small>
* ''[[Crassocephalum heteromorphum]]'' <small>(Hutch. & Burtt.) C. Jeffrey, Kew Bull. 41(4): 908, 1986</small>
* ''[[Crassocephalum lemuricum]]'' <small>(Humbert) Humbert, Fl. Madagasc. 189(3): 832, 1963</small>
* ''[[Crassocephalum libericum]]'' <small>S. Moore, J. Bot. 54: 282, 1916</small>
* ''[[Crassocephalum longirameum]]'' <small>S. Moore, J. Bot. 58: 46, 1920</small>
* ''[[Crassocephalum luteum]]'' <small>(Humbert) Humbert, Fl. Madagasc. 189(3): 836, 1963</small>
* ''[[Crassocephalum macropappus]]'' <small>(Sch. Bip. ex A. Rich.) S. Moore, J. Bot. 1912(1): 212, 1912</small>
* ''[[Crassocephalum manampanihense]]'' <small>(Humbert) Humbert, Fl. Madagasc. 189(3): 835, 1963</small>
* ''[[Crassocephalum mannii]]'' <small>(Hook. f.) Milne-Redh., Kew Bull. 5: 377, 1951</small>
* ''[[Crassocephalum miniatum]]'' <small>(Welw.) Hiern, Cat. Afr. Pl. 1: 595, 1898</small>
* ''[[Crassocephalum montuosum]]'' <small>(S. Moore) Milne-Redh., Kew Bull. 5: 376, 1951</small>
* ''[[Crassocephalum multicorymbosum]]'' <small>(Klatt) S. Moore, J. Bot. 50: 211, 1912</small>
* ''[[Crassocephalum notonioides]]'' <small>S. Moore, J. Bot. 40: 341, 1902</small>
* ''[[Crassocephalum paludum]]'' <small>C. Jeffrey, Kew Bull. 41(4): 906, 1986</small>
* ''[[Crassocephalum picridifolium]]'' <small>(DC.) S. Moore, J. Bot. 50: 212, 1912</small>
* ''[[Crassocephalum radiatum]]'' <small>S. Moore, J. Bot. 56: 227, 1918</small>
* ''[[Crassocephalum rubens]]'' <small>(B. Juss. ex Jacq.) S. Moore, J. Bot. 50: 212, 1912</small>
* ''[[Crassocephalum ruwenzoriensis]]'' <small>S. Moore, J. Linn. Soc., Bot. 35: 352, 1902</small>
* ''[[Crassocephalum sarcobasis]]'' <small>(DC.) S. Moore, J. Bot. 50: 211, 1912</small>
* ''[[Crassocephalum scandens]]'' <small>(O. Hoffm.) Hiern, Cat. Afr. Pl. 595, 1898</small>
* ''[[Crassocephalum sonchifolium]]'' <small>(Baker) Humbert, Fl. Madagasc. 189(3): 834, 1963</small>
* ''[[Crassocephalum sonchifolium]]'' <small>(L.) Less., Linnaea 6(2): 252, 1831</small>
* ''[[Crassocephalum splendens]]'' <small>C. Jeffrey, Kew Bull. 41: 905, 1986</small>
* ''[[Crassocephalum subscandens]]'' <small>(Hochst. ex A. Rich.) S. Moore, J. Bot. 50: 211, 1912</small>
* ''[[Crassocephalum togoense]]'' <small>C.D. Adams, J. W. African Sci. Assoc. 1: 27, 1954</small>
* ''[[Crassocephalum uvens]]'' <small>(Hiern) S. Moore, J. Bot. 50: 212, 1912</small>
* ''[[Crassocephalum valerianifolium]]'' <small>(Link ex Spreng.) Less., Linnaea 5(1): 163, 1830</small>
* ''[[Crassocephalum vitellinum]]'' <small>(Benth.) S. Moore, J. Bot. 50: 212, 1912</small>
[[Image:Crassocephalum crepidioides 16.jpg|thumb|left|140px|''C. crepidioides'']]
==References==
{{Reflist}}
==External links==
* [https://web.archive.org/web/20110525204359/http://database.prota.org/dbtw-wpd/exec/dbtwpub.dll?AC=QBE_QUERY&BU=http:%2F%2Fdatabase.prota.org%2Fsearch.htm&TN=PROTAB~1&QB0=AND&QF0=Species+Code&QI0=Crassocephalum&RF=Webreport&DF=Webdisplay&NP=3&MR=20 PROTAbase on ''Crassocephalum'']
{{Taxonbar|from=Q521476}}
[[Category:Crassocephalum| ]]
[[Category:Leaf vegetables]]
[[Category:Asteraceae genera]]
[[Category:Flora of the Afrotropical realm]]
[[Category:Plants used in traditional African medicine]]
[[Category:Taxa described in 1794]]
[[Category:Taxa named by Conrad Moench]]
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