Crassocephalum Bojeri
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''Crassocephalum'' is a
genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...
the common names of whose members include ragleaf, thickhead, and bologi. Several species are raised as leaf vegetables and used for medicine, especially in
West Africa West Africa or Western Africa is the westernmost region of Africa. The United Nations defines Western Africa as the 16 countries of Benin, Burkina Faso, Cape Verde, The Gambia, Ghana, Guinea, Guinea-Bissau, Ivory Coast, Liberia, Mali, Maurit ...
. Similar to
Senecio ''Senecio'' is a genus of flowering plants in the daisy family (Asteraceae) that includes ragworts and groundsels. Variously circumscribed taxonomically, the genus ''Senecio'' is one of the largest genera of flowering plants. Description Morp ...
, 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.


Species

Species include: * ''
Crassocephalum afromontanum ''Crassocephalum'' is a genus the common names of whose members include ragleaf, thickhead, and bologi. Several species are raised as leaf vegetables and used for medicine, especially in West Africa. Similar to Senecio, but differing in never ...
'' R.E. Fr., Acta Horti Berg. 9: 144, 1928 * '' Crassocephalum aurantiacum'' (Blume) Kuntze, Revis. Gen. Pl. 1: 331, 1891 * '' Crassocephalum auriformis'' S. Moore, J. Linn. Soc., Bot. 37: 171, 1904 * '' Crassocephalum baoulense'' (Hutch. & Dalziel) Milne-Redh., Kew Bull. 5: 377, 1951 * '' Crassocephalum bauchiense'' (Hutch.) Milne-Redh., Kew Bull. 5: 376, 1951 * ''
Crassocephalum behmianum ''Crassocephalum'' is a genus the common names of whose members include ragleaf, thickhead, and bologi. Several species are raised as leaf vegetables and used for medicine, especially in West Africa. Similar to Senecio, but differing in never h ...
'' (Muschl.) S. Moore, J. Bot. 50: 212, 1912 * ''
Crassocephalum biafrae ''Crassocephalum biafrae'', also called Sierra Leone bologi or worow, is a shade tolerant perennial vine grown especially in Sierra Leone, often on Trellis (architecture), trellises. Its spinach Spinach (''Spinacia oleracea'') is a leafy g ...
'' (Oliv. & Hiern) S. Moore, J. Bot. 50: 211, 1912 * '' Crassocephalum bojeri'' (DC.) Robyns, Fl. Spermat. Parc Natl. Albert 2: 544, 1947 * '' Crassocephalum bougheyanum'' C.D. Adams, J. W. African Sci. Assoc. 3: 111, 1957 * '' Crassocephalum bumbense'' S. Moore, J. Linn. Soc., Bot. 47: 279, 1925 * ''
Crassocephalum butaguensis ''Crassocephalum'' is a genus the common names of whose members include ragleaf, thickhead, and bologi. Several species are raised as leaf vegetables and used for medicine, especially in West Africa. Similar to Senecio, but differing in never h ...
'' (Muschl.) S. Moore, J. Bot. 50: 211, 1912 * '' Crassocephalum cernuum'' (L. f.) Moench, Suppl. Pl. 370, 1781 * ''
Crassocephalum coeruleum ''Crassocephalum'' is a genus the common names of whose members include ragleaf, thickhead, and bologi. Several species are raised as leaf vegetables and used for medicine, especially in West Africa. Similar to Senecio, but differing in never h ...
'' (O. Hoffm.) R.E. Fr., Wiss. Erg. Schwed. Rhod.-Kongo Exp. 342, 1916 * ''
Crassocephalum crepidioides ''Crassocephalum crepidioides'', also called ebolo, thickhead, redflower ragleaf, or fireweed, is an erect annual slightly succulent herb growing up to 180 cm tall. Its use is widespread in many tropical and subtropical regions, but is espe ...
'' (Benth.) S. Moore, J. Bot. 50(595): 211–212, 1912 * ''
Crassocephalum diversifolium ''Crassocephalum crepidioides'', also called ebolo, thickhead, redflower ragleaf, or fireweed, is an erect annual slightly succulent herb growing up to 180 cm tall. Its use is widespread in many tropical and subtropical regions, but is espe ...
'' Hiern, Cat. Afr. Pl. 1(3): 594, 1898 * ''
Crassocephalum ducis-aprutii ''Crassocephalum'' is a genus the common names of whose members include ragleaf, thickhead, and bologi. Several species are raised as leaf vegetables and used for medicine, especially in West Africa. Similar to Senecio, but differing in never h ...
'' (Chiov.) S. Moore, J. Bot. 50: 212, 1912 * ''
Crassocephalum effusum ''Crassocephalum'' is a genus the common names of whose members include ragleaf, thickhead, and bologi. Several species are raised as leaf vegetables and used for medicine, especially in West Africa. Similar to Senecio, but differing in never h ...
'' (Mattf.) C. Jeffrey, Kew Bull. 41(4): 907, 1986 * ''
Crassocephalum flavum ''Crassocephalum'' is a genus the common names of whose members include ragleaf, thickhead, and bologi. Several species are raised as leaf vegetables and used for medicine, especially in West Africa. Similar to Senecio, but differing in never h ...
'' Decne., Ann. Sci. Nat., Bot., sér. 2, 2: 265, 1834 * ''
Crassocephalum gossweileri ''Crassocephalum'' is a genus the common names of whose members include ragleaf, thickhead, and bologi. Several species are raised as leaf vegetables and used for medicine, especially in West Africa. Similar to Senecio, but differing in never h ...
'' S. Moore, J. Bot. 56: 226, 1918 * ''
Crassocephalum gracile ''Crassocephalum'' is a genus the common names of whose members include ragleaf, thickhead, and bologi. Several species are raised as leaf vegetables and used for medicine, especially in West Africa. Similar to Senecio, but differing in never h ...
'' (Hook. f.) Milne-Redh. ex Guinea, Anales Jard. Bot. Madrid 1: 307, 1951 * ''
Crassocephalum guineense ''Crassocephalum'' is a genus the common names of whose members include ragleaf, thickhead, and bologi. Several species are raised as leaf vegetables and used for medicine, especially in West Africa. Similar to Senecio, but differing in never h ...
'' C.D. Adams, J. W. African Sci. Assoc. 8: 129, 1964 * ''
Crassocephalum heteromorphum ''Crassocephalum'' is a genus the common names of whose members include ragleaf, thickhead, and bologi. Several species are raised as leaf vegetables and used for medicine, especially in West Africa. Similar to Senecio, but differing in never h ...
'' (Hutch. & Burtt.) C. Jeffrey, Kew Bull. 41(4): 908, 1986 * ''
Crassocephalum lemuricum ''Crassocephalum'' is a genus the common names of whose members include ragleaf, thickhead, and bologi. Several species are raised as leaf vegetables and used for medicine, especially in West Africa. Similar to Senecio, but differing in never h ...
'' (Humbert) Humbert, Fl. Madagasc. 189(3): 832, 1963 * ''
Crassocephalum libericum ''Crassocephalum'' is a genus the common names of whose members include ragleaf, thickhead, and bologi. Several species are raised as leaf vegetables and used for medicine, especially in West Africa. Similar to Senecio, but differing in never h ...
'' S. Moore, J. Bot. 54: 282, 1916 * ''
Crassocephalum longirameum ''Crassocephalum'' is a genus the common names of whose members include ragleaf, thickhead, and bologi. Several species are raised as leaf vegetables and used for medicine, especially in West Africa. Similar to Senecio, but differing in never h ...
'' S. Moore, J. Bot. 58: 46, 1920 * ''
Crassocephalum luteum ''Crassocephalum'' is a genus the common names of whose members include ragleaf, thickhead, and bologi. Several species are raised as leaf vegetables and used for medicine, especially in West Africa. Similar to Senecio, but differing in never h ...
'' (Humbert) Humbert, Fl. Madagasc. 189(3): 836, 1963 * '' Crassocephalum macropappus'' (Sch. Bip. ex A. Rich.) S. Moore, J. Bot. 1912(1): 212, 1912 * '' Crassocephalum manampanihense'' (Humbert) Humbert, Fl. Madagasc. 189(3): 835, 1963 * '' Crassocephalum mannii'' (Hook. f.) Milne-Redh., Kew Bull. 5: 377, 1951 * '' Crassocephalum miniatum'' (Welw.) Hiern, Cat. Afr. Pl. 1: 595, 1898 * '' Crassocephalum montuosum'' (S. Moore) Milne-Redh., Kew Bull. 5: 376, 1951 * '' Crassocephalum multicorymbosum'' (Klatt) S. Moore, J. Bot. 50: 211, 1912 * ''
Crassocephalum notonioides ''Crassocephalum'' is a genus the common names of whose members include ragleaf, thickhead, and bologi. Several species are raised as leaf vegetables and used for medicine, especially in West Africa. Similar to Senecio, but differing in never h ...
'' S. Moore, J. Bot. 40: 341, 1902 * ''
Crassocephalum paludum ''Crassocephalum'' is a genus the common names of whose members include ragleaf, thickhead, and bologi. Several species are raised as leaf vegetables and used for medicine, especially in West Africa. Similar to Senecio, but differing in never h ...
'' C. Jeffrey, Kew Bull. 41(4): 906, 1986 * '' Crassocephalum picridifolium'' (DC.) S. Moore, J. Bot. 50: 212, 1912 * ''
Crassocephalum radiatum ''Crassocephalum'' is a genus the common names of whose members include ragleaf, thickhead, and bologi. Several species are raised as leaf vegetables and used for medicine, especially in West Africa. Similar to Senecio, but differing in never h ...
'' S. Moore, J. Bot. 56: 227, 1918 * ''
Crassocephalum rubens ''Crassocephalum rubens'', also called Yoruba bologi, is an erect annual herb growing up to 80 cm tall. It is grown and consumed especially in Southwestern Nigeria, but also as far away as Yemen, South Africa, and islands of the Indian Ocean ...
'' (B. Juss. ex Jacq.) S. Moore, J. Bot. 50: 212, 1912 * '' Crassocephalum ruwenzoriensis'' S. Moore, J. Linn. Soc., Bot. 35: 352, 1902 * '' Crassocephalum sarcobasis'' (DC.) S. Moore, J. Bot. 50: 211, 1912 * '' Crassocephalum scandens'' (O. Hoffm.) Hiern, Cat. Afr. Pl. 595, 1898 * '' Crassocephalum sonchifolium'' (Baker) Humbert, Fl. Madagasc. 189(3): 834, 1963 * '' Crassocephalum sonchifolium'' (L.) Less., Linnaea 6(2): 252, 1831 * '' Crassocephalum splendens'' C. Jeffrey, Kew Bull. 41: 905, 1986 * '' Crassocephalum subscandens'' (Hochst. ex A. Rich.) S. Moore, J. Bot. 50: 211, 1912 * ''
Crassocephalum togoense ''Crassocephalum'' is a genus the common names of whose members include ragleaf, thickhead, and bologi. Several species are raised as leaf vegetables and used for medicine, especially in West Africa. Similar to Senecio, but differing in never h ...
'' C.D. Adams, J. W. African Sci. Assoc. 1: 27, 1954 * '' Crassocephalum uvens'' (Hiern) S. Moore, J. Bot. 50: 212, 1912 * ''
Crassocephalum valerianifolium ''Erechtites valerianifolius'', common name tropical burnweed is a New World species of plants in the sunflower family. It is native to Mexico, Central America, South America, and the West Indies. It is also naturalized as a weed in much of the ...
'' (Link ex Spreng.) Less., Linnaea 5(1): 163, 1830 * ''
Crassocephalum vitellinum ''Crassocephalum vitellinum'' is a flowering herb from Africa. Distribution Bioko, Burundi, Cameroon, Kenya, Rwanda, Uganda, Tanzania, Zambia, Zaire Zaire (, ), officially the Republic of Zaire (french: République du Zaïre, link=no, ) ...
'' (Benth.) S. Moore, J. Bot. 50: 212, 1912


References


External links


PROTAbase on ''Crassocephalum''
{{Taxonbar, from=Q521476 Leaf vegetables Asteraceae genera Plants used in traditional African medicine