''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 vegetable Leaf vegetables, also called leafy greens, pot herbs, vegetable greens, or simply greens, are plant leaves eaten as a vegetable, sometimes accompanied by tender petioles and shoots. Leaf vegetables eaten raw in a salad can be called salad gre ...

s 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'' 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 ''Gynura procumbens'' (also known as sabuñgai or sambung nyawa), sometimes called "longevity spinach" or "longevity greens", is an edible vine found in China, Southeast Asia, and Africa. Leaves are Leaf shape, ovate-elliptic or lanceolate, long ...

'' (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'' (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'' (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 ''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 ...

'' (Sch. Bip. ex A. Rich.) S. Moore, J. Bot. 1912(1): 212, 1912 * ''

Crassocephalum manampanihense ''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 nev ...

'' (Humbert) Humbert, Fl. Madagasc. 189(3): 835, 1963 * ''

Crassocephalum mannii ''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 ...

'' (Hook. f.) Milne-Redh., Kew Bull. 5: 377, 1951 * ''

Crassocephalum miniatum ''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 nev ...

'' (Welw.) Hiern, Cat. Afr. Pl. 1: 595, 1898 * ''

Crassocephalum montuosum ''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 ...

'' (S. Moore) Milne-Redh., Kew Bull. 5: 376, 1951 * ''

Crassocephalum multicorymbosum ''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 nev ...

'' (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 ''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 nev ...

'' (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 ''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 nev ...

'' (DC.) S. Moore, J. Bot. 50: 211, 1912 * ''

Crassocephalum scandens ''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 ...

'' (O. Hoffm.) Hiern, Cat. Afr. Pl. 595, 1898 * ''

Crassocephalum sonchifolium ''Emilia sonchifolia'', also known as lilac tasselflower or cupid's shaving brush, is tropical flowering species of tasselflower in the sunflower family. It is widespread in tropical regions around the world, apparently native to Asia (China, ...

'' (Baker) Humbert, Fl. Madagasc. 189(3): 834, 1963 * ''

'' (L.) Less., Linnaea 6(2): 252, 1831 * ''

Crassocephalum splendens ''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 nev ...

'' C. Jeffrey, Kew Bull. 41: 905, 1986 * ''

Crassocephalum subscandens ''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 nev ...

'' (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 ''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 nev ...

'' (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