Phaseolus vulgaris

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Phaseolus vulgaris L.

alt=Description of A green bean.jpg picture.
bush bean
Order Fabales
Family Fabaceae
Genus Phaseolus

2n = 22

Origin : Mesoamerica
and eastern Andes

wild and cultivated

English {{{english}}}
French {{{french}}}


epigeal germination
flower, by Thomas Bresson, in focus staking

Popular names

  • English: French bean, kidney bean, haricot bean
  • French: haricot
  • Philippines: butingi, mula (PROSEA)
  • Indonesia: buncis (PROSEA)
  • Malaysia: kacang buncis, kacang merah (PROSEA)
  • Thailand: thua khaek, thua phum (PROSEA)
  • Vietnam: dâu ve (PROSEA)
  • Laos: thwàx fàlangx (PROSEA)
  • Cambodia: sândaèk barang (PROSEA)
  • Burma: bo-sa-pè, pè- bya-galè, pè-gya(ni) (PROSEA)
Common names for beans usually apply to particular types, used for a particular purpose in particular countries. We have tried to sort the different common names in European languages in the following pages: Phaseolus vulgaris (Common names)Phaseolus vulgaris bush bean (Common names)Phaseolus vulgaris climbing bean (Common names)Phaseolus vulgaris dry bean (Common names)Phaseolus vulgaris French bean (Common names)Phaseolus vulgaris pop bean (Common names)Phaseolus vulgaris runner bean (Common names)Phaseolus vulgaris wax bean (Common names)


Phaseolus vulgaris L. (1753)

The wild beans are var. aborigineus (Burkart) Baudet (1977) [synonym: subsp. aborigineus Burkart (1953)].

A workable infraspecific classification of cultivated beans is quite impossible, as different points of view lead to different criteria.

  • For the gardener, it is important to distinguish bush beans, which were called var. nanus (Juslen.) Aschers. (1864) by botanists, and climbing beans, which were called var. vulgaris [synonym : var. communis Aschers. (1864)]. Climbing beans need to build trellises ot be grown. In fact, specialists recognize up to five classes. Climbing beans have many nodes and long internodes, whereas bush beans have short internodes; bush beans are determinate if they have few nodes, and indeterminate if they have many nodes.
  • For consumers, an essential distinction is whether the product is a seed or a young pod.
    • Seeds may be dry (dry beans), fresh (shell beans) or semi-fresh (flageolets). Their form may be kidney-shaped, oblong or quite round.
    • Pods eaten as young pods may be green, purple or yellow (wax beans). Their section may be round or flat.
  • A particular type, endemic of the Andes is pop bean, which explodes when grilled like pop corn.


Characters used to describe cultivars and genetic resources are organised in a descriptor list published by Bioversity: Phaseolus vulgaris descriptors (pdf)

in Urubamba, Peru, INIA experimental field station. Crops for the Future


Popping beans, or ñuñas as they are called in Peru, belong to an indeterminately growing varietal group of common beans, whose seeds expand upon toasting. They are a popular snack in parts of Peru and Ecuador, but little known outside their very limited “insular” distribution.


Vilmorin-Andrieux, Les plantes potagères, 1891: 1. Haricot de Bagnolet; 2. Haricot blanc géant sans parchemin; 3. Haricot d'Alger, (beurre) noir nain; 4. Haricot d'Alger, noir à rames, haricot beurre noir.

This is the only Phaseolus species which has reached a global distribution.

Pre-linnean authors

Daléchamps, 1615. Histoire générale des plantes. Des Phasiols

The debate about the origin of the common bean at the end of the 19th century

Until the end of the 19th century, botanists believed that the common bean had been known in the Old World since Antiquity. The main reason for that is that Phaseolus beans were given the names of other pulses previously known in Europe (Vigna unguiculata, Vicia faba, Pisum sativum). Moreover, older botanists preferred commenting old authors (Theophrastus, Pliny, Dioscorides...) rather than observing real plants, and it has to be added that Vigna species were badly known and classified in Phaseolus at that time.

In 1882, the landmark book of Alphonse de Candolle, L'origine des plantes cultivées, is published, and he inclines to conclude about an American origin of Phaseolus vulgaris. Further commentaries by Asa Gray et Trumbull (1883) confirm it, as well as Wittmack (1888). But Gibault sparked things off in 1896 by insisting on an origin in the Old World. He is immediately contradicted by Bonnet (1897) and Wittmack (1897). Gibault then recognises his error, which results in a correct text in his famous Histoire des légumes (1912).

This controversy is now obsolete (although some popular and hurried authors repeat the error from time to time), and has to do with history of sciences. But the texts then published mobilise an impressive quantity of quotations of older authors (botanists, travellers...), which are useful to revisit. This is why we make them available anew.

  • Asa Gray and J. Hammond Trumbull, 1883. Review of DeCandolle's Origin of Cultivated Plants; with Annotations upon certain American Species. American Journal of Science, 3e série. Part 1. 25: 241-255. Part 2. 25: 370-379. Part 3. 26: 128-138. (Phaseolus beans in 26: 130-138) read the text
  • Bonnet E., 1897. Le haricot (Phaseolus vulgaris L.) était-il connu dans l'Ancien Monde avant la découverte de l'Amérique ? J. de Botanique, 11: 14-20, 35-39, 48-57. read the text
  • Candolle Alphonse de, 1882. L'origine des plantes cultivées. éd. 1. Paris, Germer Baillière, 1883 [in fact, 1882]. VIII-379 p. (Reprint Jeanne Laffite, 1984. Reprint of the 1883 edition; preface by Michel Chauvet, Paris, Diderot-Multimédia. 488 p.) Haricot commun
  • Charencey, M. de,1904. De l'origine américaine du Phaseolus vulgaris. Paris. "brochure de 3 p." (Gibault) also mentioned in séance du 3 février 1903 de la Société des Américanistes. (not seen. MC)
  • Gibault G., 1896. Étude historique sur le Haricot commun (Phaseolus vulgaris). Journal de la Société nationale d'horticulture de France, 659-673. read the text
  • Gibault Georges, 1912. Histoire des légumes. Paris, Lib. Horticole. VIII-404 p., fig.
  • Körnicke Friedrich A., 1885. Zur Geschichte der Gartenbohne. Verhandlungen des Naturhistorischen Vereins der preußischen Rheinlande und Westphalens, 4e series, 11: 136-153.
  • Sturtevant Edward L., 1919. Sturtevant's notes on edible plants. Edited by U.P. Hedrick. Albany, J.B. Lyon. Reprint New-York, Dover, 1972. 686 p. read the text
  • Wittmack L., 1888. Die Heimath der Bohnen und der Kürbisse. Berichte der deutschen Bot. Gesellschaft, 6: 374-380.
  • Wittmack L., 1897. De l'origine du haricot commun (Phaseolus vulgaris). Journal de la Société nationale d'horticulture de France, 155-165. (with comments by Gibault recognising his error).

New questions

It is now considered that Vigna unguiculata is one of the principal species confused with Phaseolus vulgaris before 1492. But what do we know about its distribution in cultivation before 1492? My hypothesis is that it was quite unknown in northern Europe, and known only as a minor crop in southern Europe. It is basically a species with tropical affinities.

Philologists consider that the name calicot is a (later) variant of haricot on the basis of a unique argument, the anteriority of haricot. This is heavily dependent on the hasards of data collecting. Something ignored by previous French philologists is that calico took early in English the meaning of "something multi-coloured", which fits perfectly the common bean (see the name fève peinte). Through Internet, we easily find calico cat, calico Jack, calico crab... The problem is that this early meaning has not been documented or dated. (Michel Chauvet)


  • seeds, dry or fresh, are by far the most widespread use.
  • young pods (French beans) are also an important use.
  • leaves are occasionally eaten.
Sword bean slicer, used in the Netherlands and Germany. Two beans are insertd at a time.


  • Debouck, D. G. et al., 1993. Genetic diversity and ecological distribution of Phaseolus vulgaris (Fabaceae) in northwestern South America. Econ. Bot., 47:408–423.
  • Freytag, G. F. & D. G. Debouck, 2002. Taxonomy, distribution, and ecology of the genus Phaseolus (Leguminosae-Papilionoideae) in North America, Mexico and Central America. Sida, Bot. Misc., 23:36–42.
  • Jacobsohn Antoine (éd.), 2010. Du fayot au mangetout : l’histoire du haricot sans en perdre le fil. En collaboration avec Gilles Debarle et Kamel Elias. Rodez, Éditions du Rouergue, 160 p.
  • Neveu Jean-Louis, 2002. Le haricot, la mojhéte & le fayot. La Crèche (79), Geste Editions. 56 p. (Petite encyclopédie des savoirs populaires).