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Taxon: Cajanus scarabaeoides (L.) Thouars

Genus: Cajanus
Family: Fabaceae (alt. Leguminosae) subfamily: Faboideae tribe: Phaseoleae subtribe: Cajaninae. Also placed in: Papilionaceae
Nomen number: 313609
Place of publication: F. Cuvier, Dict. sci. nat. 6:167. 1817
Name verified on: 19-Apr-1988 by ARS Systematic Botanists. Last updated: 09-Nov-2004
No species priority site assigned.
Accessions: 1 in National Plant Germplasm System.
  • all available ) NPGS accessions. or .
  • all available ) NPGS accessions by country.
  • Check PlantSearch database of Botanic Gardens Conservation International for possible non-NPGS germplasm.

Economic importance:

  • Gene sources: crop quality for pigeon-pea   (fide Front Pl Sci 6: Art. 50, p. 3.)
  • Gene sources: cytoplasmic male sterility for pigeon-pea   (fide Ind J Gen Pl Breed 63:225. 2005; source of the A2 system fide Wild Crop Rel Leg Cr 2:24. 2011)
  • Gene sources: drought resistance for pigeon-pea   (fide Front Pl Sci 6: Art. 50, p. 3.)
  • Gene sources: pest resistance for pigeon-pea   (for C. cajan fide Pl Res SEAs 1:41. 1989)
  • Gene sources: secondary genetic relative of pigeon-pea   (based on succesful crosses with Cajanus cajan fide Euphytica 145:248. 2005)

Distributional range:

    Western Indian Ocean: Madagascar
    China: China
    Eastern Asia: Japan - Ryukyu Islands; Taiwan
    Indian Subcontinent: Bangladesh; Bhutan; India; Nepal; Pakistan; Sri Lanka
    Indo-China: Myanmar; Thailand; Vietnam
    Malesia: Indonesia - Java; Malaysia; Papua New Guinea [e.]; Philippines
    Australia: Australia - Northern Territory, Queensland
    Southwestern Pacific: Fiji

    Africa [tropical]


  • Aruna, R. et al. 2005. Inheritance of trichomes and resistance to pod borer (Helicoverpa armigera) and their association in interspecific crosses between cultivated pigeonpea (Cajanus cajan) and its wild relative C. scarabaeoides. Euphytica 145:247–257.
  • Ganapathy, K. N. et al. 2011. AFLP analysis in pigeonpea (Cajanus cajan (L.) Millsp.) revealed close relationship of cultivated genotypes with some of its wild relatives. Genet. Resources Crop Evol. 58:837–847.
  • Grierson, A. J. C. & D. J. Long. 1984–. Flora of Bhutan including a record of plants from Sikkim.
  • Hacker, J. B. 1990. A guide to herbaceous and shrub legumes of Queensland.
  • Hnatiuk, R. J. 1990. Census of Australian vascular plants. Australian Flora and Fauna Series No. 11.
  • Kassa, M. T. et al. 2012. Genetic patterns of domestication in pigeonpea (Cajanus cajan (L.) Millsp.) and wild Cajanus relatives. PLoS One 7(6): e39563. doi:10.1371/journal.pone.0039563.
  • Khoury, C. K. et al. 2015. Crop wild relatives of pigeonpea [Cajanus cajan (L.) Millsp.]: Distributions, ex situ conservation status, and potential genetic resources for abiotic stress tolerance. Biol. Conservation 184:259–270.
  • Lakshmi, M. et al. 2000. PCR-RFLP analysis of chloroplast gene regions in Cajanus (Leguminosae) and allied genera. Euphytica 116:243–250.
  • Maesen, L. J. G. van der & Sadikin Somaatmadja, eds. 1989. Pulses. In: Faridah Hanum, I. & L. J. G. van der Maesen, eds., Plant Resources of South-East Asia (PROSEA). 1:41.
  • Maesen, L. J. G. van der. 1986. Cajanus DC. and Atylosia W. & A. (Leguminosae). Agric. Univ. Wageningen Pap. 85–4:183.
  • Mallikarjuna, N. et al. 2011. Chapter 2. Cajanus. Pp. 21–33 in: Kole, C., ed., Wild crop relatives: genomic and breeding resources, legume crops and forages. [this review recognized this species as part of the secondary gene pool of pigeon-pea].
  • Pazhamala, L. et al. 2015. Genomics-assisted breeding for boosting crop improvement in pigeonpea (Cajanus cajan). Front. Plant Sci. 6: Art. 50. doi: 10.3389/fpls.2015.00050. [this review mentioned Cajanus scarabaeoides as a source of various important traits of interest to breeders of pigeon-pea].
  • Porcher, M. H. et al. Searchable World Wide Web Multilingual Multiscript Plant Name Database (MMPND) (on-line resource).
  • Ratnaparkhe, M. B. et al. 1995. Genetic fingerprinting of pigeonpea [Cajanus cajan (L.) Millsp.] and its wild relatives using RAPD markers. Theor. Appl. Genet. 91:893–898. [mentioned Cajanus scarabaeoides as a source of pest resistance].
  • Saxena, K. B. & R. V. Kumar. 2003. Development of a cytoplasmic nuclear male-sterility system in pigeonpea using C. scarabaeoides (L.) Thouars. Indian J Gen Pl Breed 63:225–229.


Check other web resources for Cajanus scarabaeoides (L.) Thouars:

  • AVH: Australia's Virtual Herbarium
  • TROPICOS: Nomenclatural and Specimen Database of the Missouri Botanical Garden
  • ILDIS: International Legume Database and Information Service
  • 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.

Images or nodulation data:

  • Check for additional images
  • 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.

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: (26 November 2015)

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