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Taxon: Allium porrum L.

Genus: Allium subgenus: Allium section: Allium
Family: Amaryllidaceae subfamily: Allioideae tribe: Allieae. Also placed in: Alliaceae Liliaceae
Nomen number: 2351
Place of publication: Sp. pl. 1:295. 1753, nom. rej.
Typification: View record from Linnaean Plant Name Typification Project of the Natural History Museum of London.
  • or A. ampeloprasum Leek Group
  • a rejected (nom. rej.), heterotypic synonym (Melbourne ICN Art. 14.4 & App. IV) of A. ampeloprasum L., nom. cons.
Name verified on: 01-Jul-1996 by ARS Systematic Botanists. Last updated: 21-May-2013
Species priority site is: Western Regional PI Station (W6).
Accessions: 2 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:

  • leek   (Source: World Econ Pl ) – English
  • pearl onion   (Source: Mansf Ency [as A. ampeloprasum Pearl-Onion Group]) – English   [Allium porrum var. sectivum]
  • kurrat abou shousha   (Source: F Egypt ) – Arabic
  • jiu cong   (Source: F ChinaEng ) – Transcribed Chinese
  • perleleg   (Source: Mansf Ency [as A. ampeloprasum Pearl-Onion Group]) – Danish   [Allium porrum var. sectivum]
  • parel-look   (Source: Mansf Ency [as A. ampeloprasum Pearl-Onion Group]) – Dutch   [Allium porrum var. sectivum]
  • poireau   (Source: Rev sect Allium 70.) – French
  • Lauch   (Source: Dict Rehm ) – German
  • Perlzwiebel   (Source: Zander ed17 ) – German   [Allium porrum var. sectivum]
  • Porree   (Source: Dict Rehm ) – German
  • Winter-Lauch   (Source: Zander ed17 ) – German
  • porro   (Source: Dict Rehm ) – Italian
  • riikeu   (Source: Pl Names ) – Transcribed Korean
  • alho-porró   (Source: Dict Rehm ) – Portuguese
  • ajo porro   (Source: Dict Rehm ) – Spanish
  • puerro   (Source: Dict Rehm ) – Spanish
  • poro   (Source: Dicc Lengua Espanola ) – Spanish (Latin America)

Economic importance:


Distributional range:

    East Tropical Africa: Kenya
    China: China
    Malesia: Indonesia
    Australia: Australia - Western Australia
    United States
    Caribbean: West Indies
    Southern South America: Argentina
  • also cultivated elsewhere

  • probable origin e. Mediterranean region


  • PROTABASE, the information base of PROTA (Plant Resources of Tropical Africa) (on-line resource). [= A. ampeloprasum].
  • Bonnet, B. 1976. Le poireau (Allium porrum L.): aspects botaniques et agronomiques. Revue bibliographique. Saussurea 7:121–155.
  • Boulos, L. 1999–. Flora of Egypt.
  • Brewster, J. L. 1994. Onions and other vegetable alliums. Crop Prod. Sci. Hort. 3:11. [= A. ampeloprasum Porrum Group].
  • Brummitt, R. K. 1999. Report of the Committee for Spermatophyta: 48. Taxon 48:362–363. [conservation proposal recommended].
  • Davis, P. H., ed. 1965–1988. Flora of Turkey and the east Aegean islands.
  • Erhardt, W. et al. 2002. Zander: Handwörterbuch der Pflanzennamen, 17. Auflage.
  • Facciola, S. 1990. Cornucopia, a source book of edible plants. [= A. ampeloprasum Porrum Group].
  • Fritsch, R. M. & N. Friesen. 2002. Chapter 1. Evolution, domestication and taxonomy. P. 23 in: Rabinowitch, H. D. & L. Currah, eds., Allium crop science: recent advances. [as a hexaploid, seed sterile A. ampeloprasum].
  • Hanelt, P. 1996. (1258) Proposal to conserve the name Allium ampeloprasum against A. porrum (Liliaceae). Taxon 45:691–692.
  • Hirschegger, P. et al. 2010. Origins of Allium ampeloprasum horticultural groups and a molecular phylogeny of the section Allium (Allium: Alliaceae). Molec. Phylogenet. Evol. 54:488–497.
  • Huxley, A., ed. 1992. The new Royal Horticultural Society dictionary of gardening.
  • Komarov, V. L. et al., eds. 1934–1964. Flora SSSR.
  • Lazarides, M. & B. Hince. 1993. CSIRO Handbook of Economic Plants of Australia.
  • Liberty Hyde Bailey Hortorium. 1976. Hortus third. [= A. ampeloprasum Porrum Group].
  • Mansfeld, R. 1959. Die Kulturpflanze, Beiheft 2.
  • Markle, G. M. et al., eds. 1998. Food and feed crops of the United States, ed. 2.
  • Mathew, B. 1996. A review of Allium sect. Allium.
  • Messiaen, C.-M. et al. 1993. Les Allium alimentaires reproduits par voie végétative. 1.230.
  • Mun-Chan, B. et al. 1986. A checklist of the Korean cultivated plants. Kulturpflanze 34:76.
  • Paunero, E. et al. 2004. Organic production of leek (Allium porrum L.) seeds in the northeast of the Province of Buenos Aires. Spanish J. Agric. Res. 2:564–569.
  • Porcher, M. H. et al. Searchable World Wide Web Multilingual Multiscript Plant Name Database (MMPND) (on-line resource).
  • Real Academia Española. Diccionario de la lengua española (on-line resource). [re. common names].
  • Rehm, S. 1994. Multilingual dictionary of agronomic plants.
  • Ricroch, A. et al. 2005. Evolution of genome size across some cultivated Allium species. Genome 48:511–520.
  • Smith, B. M. & T. C. Crowther. 1995. Inbreeding depression and single cross hybrids in leek (Allium ampeloprasum subsp. porrum). Euphytica 86:87–94. [indicates that this tetraploid taxon (4x=32) has an open pollination system with 20% of self pollination].
  • Stearn, W. T. 1944. Notes on the genus Allium in the Old World. Herbertia 11:11–34.
  • Tutin, T. G. et al., eds. 1964–1980. Flora europaea.
  • Walters, S. M. et al., eds. 1986–. European garden flora.
  • Wu Zheng-yi & P. H. Raven et al., eds. 1994–. Flora of China (English edition).
  • Yanagino, T. et al. 2003. Production and characterization of an interspecific hybrid between leek and garlic. Theor. Appl. Genet. 107:1–5.


Check other web resources for Allium porrum L.:


  • Seeds or fruits: Seed ID Workshop image, from Department of Horticulture and Crop Science, Ohio State University
  • 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: (13 October 2015)

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