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  GRIN Taxonomy for Plants
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Taxon: Vigna unguiculata (L.) Walp. subsp. sesquipedalis (L.) Verdc.

Genus: Vigna subgenus: Vigna section: Catiang
Family: Fabaceae (alt. Leguminosae) subfamily: Faboideae tribe: Phaseoleae subtribe: Phaseolinae. Also placed in: Papilionaceae
Nomen number: 41646
Place of publication: P. Davis, Flora of Turkey 3:266. 1970
Comment: or V. unguiculata Sesquipedalis Group
Name verified on: 06-Dec-1996 by ARS Systematic Botanists. Last updated: 11-Mar-2014
Species priority site is: Plant Genetic Resources Conservation Unit, Griffin, GA (S9).
Accessions: 194 in National Plant Germplasm System.
  • all available ) NPGS accessions. or .
  • all available ) NPGS accessions by country.
  • only available ) NPGS core subset accessions for the crop ‘VIGNA’ ) or .
  • Check PlantSearch database of Botanic Gardens Conservation International for possible non-NPGS germplasm.

See other conspecific taxa:

Common names:

  • asparagus-bean   (Source: World Econ Pl ) – English
  • Chinese long-bean   (Source: Food Feed Crops US ) – English
  • pea-bean   (Source: Leg WorldEc ) – English
  • yard-long-bean   (Source: World Econ Pl ) – English
  • lobiya   (Source: F Egypt ) – Arabic
  • chang jiang dou   (Source: F ChinaEng ) – Transcribed Chinese
  • dolique asperge   (Source: Dict Rehm ) – French
  • haricot asperge   (Source: Dict Rehm ) – French
  • Spargelbohne   (Source: Dict Rehm ) – German
  • feijão-espargo   (Source: Dict Rehm ) – Portuguese
  • judía espárrago   (Source: Dict Rehm ) – Spanish

Economic importance:

  • Environmental: soil improver   (fide Pl Res SEAs, as V. unguiculata Sesquipedalis Group)
  • Human food: vegetable   (pods and leaves fide Pl Res SEAs, as V. unguiculata Sesquipedalis Group)
  • Animal food: fodder   (fide Pl Res SEAs, as V. unguiculata Sesquipedalis Group)

Distributional range:

    China: China
    Eastern Asia: Taiwan
    Indian Subcontinent: Bangladesh; India
    Indo-China: Thailand; Vietnam
    Malesia: Indonesia; Malaysia; Philippines
    United States
  • also cultivated elsewhere


  • Aubréville, A. et al., eds. 1960–. Flore du Cambodge du Laos et du Viet-Nam.
  • Boulos, L. 1999–. Flora of Egypt.
  • Coulibaly, S. et al. 2002. AFLP analysis of the phenetic organization and genetic diversity of Vigna unguiculata L. Walp. reveals extensive gene flow between wild and domesticated types. Theor. Appl. Genet. 104:358–366. [= Vigna unguiculata Sesquipedalis Group].
  • Duke, J. A. 1981. Handbook of legumes of world economic importance.
  • Encke, F. et al. 1984. Zander: Handwörterbuch der Pflanzennamen, 13. Auflage.
  • Food and Agriculture Organization of the United Nations (FAO). 2010. Ecocrop (on-line resource).
  • Hara, H. Flora of eastern Himalaya. v. 1:1966, v. 2:1971, v. 3:1975 [= V. unguiculata var. sesquipedalis (L.) H. Ohashi].
  • Kongjaimun, A. et al. 2012. The genetics of domestication of yardlong bean, Vigna unguiculata (L.) Walp. ssp. unguiculata cv.-gr. sesquipedalis. Ann. Bot. (Oxford) 109:1185–1200.
  • Kumar, S & P. V. Sane. 2003. Legumes of South Asia: a checklist.
  • Liberty Hyde Bailey Hortorium. 1976. Hortus third.
  • Lock, J. M. & C. S. Ford. 2004. Legumes of Malesia: a checklist.
  • Lock, J. M. & J. Heald. 1994. Legumes of Indochina: a checklist.
  • Maesen, L. J. G. van der & Sadikin Somaatmadja, eds. 1989. Pulses. 1:77 In: Faridah Hanum, I. & L. J. G. van der Maesen, eds., Plant Resources of South-East Asia (PROSEA). 1:77. [= V. unguiculata Sesquipedalis Group].
  • Maréchal, R. et al. 1978. Étude taxonomique d'un groupe complexe d'espèces des genres Phaseolus et Vigna (Papilionaceae) sur la base données morphologiques et polliniques, traitées par l'analyse informatique. Boissiera 28:193. [= V. unguiculata subsp. unguiculata cultigroup Sesquipedalis].
  • Markle, G. M. et al., eds. 1998. Food and feed crops of the United States, ed. 2.
  • Maxted, N. et al. 2004. An ecogeographic study African Vigna. Syst. Ecogeogr. Stud. Crop Genepools 11:50, 195. [= Vigna unguiculata Sesquipedalis cultivar group].
  • Porcher, M. H. et al. Searchable World Wide Web Multilingual Multiscript Plant Name Database (MMPND) (on-line resource).
  • Rehm, S. 1994. Multilingual dictionary of agronomic plants.
  • Sanjappa, M. 1992. Legumes of India.
  • Siemonsma, J. S. & Kasem Piluek, eds. 1993. Vegetables. 8:274–278 In: Faridah Hanum, I. & L. J. G. van der Maesen, eds., Plant Resources of South-East Asia (PROSEA). 8:274–278.
  • Smith, A. C. 1979–1991. Flora vitiensis nova.
  • Turrill, W. B. et al., eds. 1952–. Flora of tropical East Africa.
  • Verdcourt, B. 1979. A manual of New Guinea legumes.
  • Wu Zheng-yi & P. H. Raven et al., eds. 1994–. Flora of China (English edition).
  • Zhu, X. Y. et al. 2007. Legumes of China: a checklist.

Check other web resources for Vigna unguiculata (L.) Walp. subsp. sesquipedalis (L.) Verdc.:

  • PLANTS: USDA-NRCS Database of Plants of the United States and its Territories
  • Flora of China: Online version from Harvard University
  • TROPICOS: Nomenclatural and Specimen Database of the Missouri Botanical Garden
  • ILDIS: International Legume Database and Information Service
  • Mansfeld: Mansfeld's World Database of Agricultural and Horticultural Crops

Images or nodulation data:

  • Google Images Images Note: Be advised that their identity may be inaccurate. Proper identification of a plant may require specialized taxonomic knowledge or comparison with properly documented herbarium material.
Jump to BeanGenes Database

Abbreviations & symbols in GRIN Taxonomy

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Cite as:
USDA, ARS, National Genetic Resources Program.
Germplasm Resources Information Network - (GRIN) [Online Database].
National Germplasm Resources Laboratory, Beltsville, Maryland.
URL: (16 April 2014)

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