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  GRIN Taxonomy for Plants
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Taxon: Azadirachta indica A. Juss.

Genus: Azadirachta
Family: Meliaceae
Nomen number: 6161
Place of publication: Mém. Mus. Hist. Nat. 19:221, t. 2, fig. 5. 1832
Name verified on: 26-Aug-1993 by ARS Systematic Botanists. Last updated: 03-Feb-2009
Species priority site is: Natl. Germplasm Repository - Miami (MIA).
Accessions: 3 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.

See also subordinate taxa:

Common names:

  • Indian-lilac   (Source: Can J Bot 68:1. 1990) – English
  • neem   (Source: World Econ Pl ) – English
  • nimtree   (Source: Dict Rehm ) – English
  • sadao India   (Source: Pl Res SEAs ) – English   [Azadirachta indica var. indica]
  • sweet neem   (Source: Herbs Comm) – English   [Azadirachta indica var. siamensis]
  • Thai neem   (Source: Conserv Genet ) – English   [Azadirachta indica var. siamensis]
  • margosier   (Source: Dict Rehm ) – French
  • margosa   (Source: World Econ Pl ) – Portuguese
  • nimträd   (Source: Vara kulturvaxt namn ) – Swedish

Economic importance:


Distributional range:

    Indian Subcontinent: Bangladesh; India
    Indo-China: Myanmar [n.]

    Western Indian Ocean: Mauritius
    Indo-China: Thailand
    Malesia: Indonesia; Malaysia
    Southwestern Pacific: Fiji
    Northern South America: Guyana

    Western Indian Ocean: Mauritius
    Arabian Peninsula: Saudi Arabia
    Indian Subcontinent: India
    Indo-China: Thailand
    Malesia: Malaysia
    Southwestern Pacific: Fiji
    Northern South America: Guyana

  • exact native range obscure


  • Aldén, B., S. Ryman & M. Hjertson. 2009. Våra kulturväxters namn - ursprung och användning. Formas, Stockholm (Handbook on Swedish cultivated and utility plants, their names and origin).
  • Boutelje, J. B. 1980. Encyclopedia of world timbers, names and technical literature.
  • Council of Scientific and Industrial Research, India. 1985–1992. The wealth of India: a dictionary of Indian raw materials and industrial products. Raw materials (revised edition). New Delhi.
  • Dassanayake, M. D. & F. R. Fosberg, eds. 1980–. A revised handbook to the flora of Ceylon.
  • Duke, J. A. et al. 2002. CRC Handbook of medicinal herbs.
  • Faridah Hanum, I. & L. J. G. van der Maesen, eds. 1997. Auxiliary plants. In: Faridah Hanum, I. & L. J. G. van der Maesen, eds., Plant Resources of South-East Asia (PROSEA). 11:71–76.
  • Food and Agriculture Organization of the United Nations (FAO). 2010. Ecocrop (on-line resource).
  • Grierson, A. J. C. & D. J. Long. 1984–. Flora of Bhutan including a record of plants from Sikkim.
  • Jacobs, M. 1961. The generic identity of Melia excelsa Jack. Gard. Bull. Singapore 18:74.
  • Kala, C. P. et al. 2004. Prioritization of medicinal plants on the basis of available knowledge, existing practices and use value status in Uttaranchal, India. Biodivers. & Conservation 13:459.
  • Koul, O. et al. 1990. Properties and uses of neem, Azadirachta indica. Canad. J. Bot. 68:1–11.
  • McGuffin, M., J. T. Kartesz, A. Y. Leung, & A. O. Tucker. 2000. Herbs of commerce, ed. 2.
  • Nasir, E. & S. I. Ali, eds. 1970–. Flora of [West] Pakistan.
  • National Academy of Sciences. 1980. Firewood crops. Shrub and tree species for energy production.
  • 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.
  • Sharma, B. D. et al., eds. 1993–. Flora of India.
  • Steenis, C. G. G. J. van, ed. 1948–. Flora malesiana.


Check other web resources for Azadirachta indica A. Juss.:

  • TROPICOS: Nomenclatural and Specimen Database of the Missouri Botanical Garden
  • Mansfeld: Mansfeld's World Database 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.


  • 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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