Taxon: Trifolium nigrescens Viv.

Genus: Trifolium
Subgenus: Trifolium
Section: Trifoliastrum
Family: Fabaceae (alt.Leguminosae)
Subfamily: Faboideae
Tribe: Trifolieae
Nomen number: 310557
Place of publication: Fl. ital. fragm. 12. 1808
Link to protologue:
Name Verified on: 26-Mar-2007 by ARS Systematic Botanists. Last Changed: 25-Jun-2012
Species priority site is: Plant Genetic Resources Conservation Unit, Griffin, GA (S9)
Accessions: 33 in National Plant Germplasm System (GoogleMap)

Common names:

Economic Importance:

  • Bee plants: honey production (fide Food Feed Crops US)
  • Environmental: erosion control (fide Food Feed Crops US)
  • Environmental: soil improver (fide Leg WorldEc)
  • Animal food: fodder (fide Food Feed Crops US)
  • Animal food: forage (grazing fide Leg WorldEc)
  • Gene sources: potential for crop quality in white clover (fide Wild Crop Rel Leg Cr 13:252. 2011)
  • Gene sources: potential for disease resistance in white clover (fide Wild Crop Rel Leg Cr 13:252. 2011)
  • Gene sources: secondary genetic relative of white clover (based on some cross-compatibility with Trifolium repens fide Heredity 74:137, 140, 142. 1995)

Distributional Range:


  • Africa

    • Northern Africa: Algeria ; Egypt ; Libya ; Morocco ; Tunisia
  • Asia-Temperate

    • Caucasus: Georgia Ajaria
    • Western Asia: Cyprus ; Iran ; Iraq ; Israel ; Lebanon ; Syria ; Turkey
  • Europe

    • Southeastern Europe: Albania ; Bulgaria ; Former Yugoslavia ; Greece ; Italy
    • Southwestern Europe: France ; Portugal ; Spain

  • Cultivated


  • Ali, S. I. & S. M. H. Jafri, eds. Flora of Libya. (F Libya)
  • Cheng, C.-C. & P. B. Gibson 1970. Meiosis in two species of Tri[olium and their hybrids Crop Sci. (Madison) 10:188-189.
  • Davis, P. H., ed. Flora of Turkey and the east Aegean islands. (F Turk)
  • Duke, J. A. Handbook of legumes of world economic importance. 1981 (Leg WorldEc)
  • Ellison, N. W. et al. 2006. Molecular phylogenetics of the clover genus (Trifolium - Leguminosae) Molec. Phylogenet. Evol. 39:688-705.
  • Englert, J. M. et al. USDA-NRCS Improved conservation plant materials released by NRCS and cooperators. 1999- (NRCS Cons Pl Mat)
  • Food and Agriculture Organization of the United Nations (FAO) 2010. Ecocrop (on-line resource). (Ecocrop)
  • Gillett, J. M. & N. L. Taylor (M. Collins ed.) The world of clovers. 2001 (Clovers) 258.
  • Jahandiez, E. & R. Maire Catalogue des plantes du Maroc. (L Maroc)
  • Markle, G. M. et al., eds. Food and feed crops of the United States, ed. 2. 1998 (Food Feed Crops US)
  • Marshall, A. H. et al. 1995. Reproductive characters of interspecific hybrids between Trifolium repens L. and T. nigrescens Viv. (Heredity) 74:136-145.
  • Meikle, R. D. Flora of Cyprus. (F Cyprus)
  • Pignatti, S. Flora d'Italia. (F Ital)
  • Porcher, M. H. et al. Searchable World Wide Web Multilingual Multiscript Plant Name Database (MMPND) (on-line resource). (Pl Names)
  • Pottier-Alapetite, G. Flore de la Tunisie: Angiospermes-Dicotyledones. (F Tunis)
  • Quézel, P. & S. Santa Nouvelle flore de l'Algerie. (F Alger)
  • Rechinger, K. H., ed. Flora iranica. (F Iran)
  • Smythies, B. E. Flora of Spain and the Balearic Islands: checklist of vascular plants. Englera 3:1-882. (L Spain)
  • Townsend, C. C. & E. Guest Flora of Iraq. (F Iraq)
  • Watson, L. E. et al. 2000. Molecular phylogeny of Old World Trifolium (Fabaceae), based on plastid and nuclear markers Pl. Syst. Evol. 224:153-171.
  • Williams, W. M. & S. N. Nichols 2011. Chapter 13: Trifolium (Wild Crop Rel Leg Cr) 249-272.
  • Williams, W. M. et al. 2001. Evidence of three subspecies in Trifolium nigrescens Viv. Ann. Bot. (Oxford) 87:683-691.
  • Williams, W. M. et al. 2013. Widening the adaptation of white clover by incorporation of valuable new traits from wild clover species (Proc 22nd I Grassl C) 287-289.
  • Yakovlev, G. P. et al. Legumes of Northern Eurasia. 1996 (Leg NEurasia)
  • Zohary, M. & D. Heller 1984. The genus Trifolium. 1984 (Trifolium) 155.
  • Zohary, M. & N. Feinbrun-Dothan Flora palaestina. (F Palest)

Check other web resources for Trifolium nigrescens Viv. :

  • ILDIS: International Legume Database & Information Service
  • Mansfeld: Mansfeld's World Databas of Agricultural and Horticultural Crops
  • ePIC: Electronic Plant Information Centre of Royal Botanic Gardens, Kew
  • AGRICOLA: Article Citation Database or NAL Catalog of USDA's National Agricultural Library
  • Entrez: NCBI's search engine for PubMed citations, GenBank sequences, etc.