Taxon:  Deguelia rufescens (Benth.) A. M. G. Azevedo var. urucu (Killip & A. C. Sm.) A. M. G. Azevedo



Summary
Genus:
Deguelia
Family:
Fabaceae (alt. Leguminosae)
Subfamily:
Faboideae
Tribe:
Millettieae
Nomen number:
444111
Place of publication:
Estud. tax. Lonchocarpus e Deguelia no Brasil. Ph.D. Diss., Univ. Est. Campinas 89.  1989
Verified:
03/25/2004 ARS Systematic Botanists.
Accessions:
0 (0  active, 0  available) in National Plant Germplasm System. 
Other conspecific taxa
Deguelia rufescens (Benth.) A. M. G. Azevedo (0 active accession[s])
Deguelia rufescens (Benth.) A. M. G. Azevedo var. rufescens (0 active accession[s])
Autonyms (not in current use), synonyms and invalid designations
Basionym
Lonchocarpus urucu Killip & A. C. Sm.

No images


Conservation Status

Reference(s)
  1. Azevedo Tozzi, A. M. G. de. 1989. Estudios taxonômicos dos gêneros Lonchocarpus Kunth e Deguelia Aubl. no Brasil. Unpublished dissertation (Universidade Estadual de Campinas) 89-93.
  2. Azevedo Tozzi, A. M. G. de. 1998. A identidade do timbó-verdadeiro: Deguelia utilis (A. C. Sm.) A. M. G. Azevedo (Leguminosae - Papilionoideae). Revista Brasil. Biol. 58:515. Note: mentions
  3. Duke, J. A. 1981. Handbook of legumes of world economic importance Note: = Lonchocarpus urucu
  4. 1961. Webster's third new international dictionary. Note: = Lonchocarpus urucu
Common names
LanguageNameAlternate namenoteseqCitation
Englishbarbasco as Lonchocarpus urucu11961. Webster's third new international dictionary. Note: = Lonchocarpus urucu
Englishcube as Lonchocarpus urucu1Duke, J. A. 1981. Handbook of legumes of world economic importance Note: = Lonchocarpus urucu
Englishtimbo urucu as Lonchocarpus urucu1Duke, J. A. 1981. Handbook of legumes of world economic importance Note: = Lonchocarpus urucu
Swedishurucubarbasco  2Aldén, B., S. Ryman, & M. Hjertson. 2012. Svensk Kulturväxtdatabas, SKUD (Swedish Cultivated and Utility Plants Database; online resource)
Distribution
order_codeStatusContinentSubcontinentCountryStateNotecitation_id
1NativeSouthern AmericaBrazilBrazilAmazonas 0
1NativeSouthern AmericaBrazilBrazilPará 0
1NativeSouthern AmericaNorthern South AmericaVenezuelaAmazonas 0
1NativeSouthern AmericaWestern South AmericaColombia  0
2Cultivated    also cult.0
6Other    exact native range uncertain0
Native
Southern America
  • NORTHERN SOUTH AMERICA: Venezuela [Amazonas]
  • BRAZIL: Brazil [Amazonas, Pará]
  • WESTERN SOUTH AMERICA: Colombia
Cultivated (also cult.)
Other (exact native range uncertain)

Economic Uses
UsageTypeNoteReference
Non-vertebrate poisonsplant pest controlsource of insecticide "rotenone", as Lonchocarpus urucuSteyermark, J. A. et al., eds. 1995-. Flora of the Venezuelan Guayana. Note: as Lonchocarpus urucu
Vertebrate poisonsfishas Lonchocarpus urucuUphof, J. C. T. 1968. Dictionary of economic plants, ed. 2. Note: as Lonchocarpus urucu
Vertebrate poisonsfishas Lonchocarpus urucuSteyermark, J. A. et al., eds. 1995-. Flora of the Venezuelan Guayana. Note: as Lonchocarpus urucu
Cite as: USDA, Agricultural Research Service, National Plant Germplasm System. 2026. Germplasm Resources Information Network (GRIN Taxonomy). National Germplasm Resources Laboratory, Beltsville, Maryland.
URL: https://npgsweb.ars-grin.gov/gringlobal/taxon/taxonomydetail?id=444111. Accessed 16 October 2026.