Difference between revisions of "Vigna"

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{{Taxobox
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{{SPlantbox
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| color = lightgreen
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|familia=Fabaceae
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| name = ''Vigna''
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|genus=Vigna
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| image = BlackeyeBean.jpg
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|Min ht metric=cm
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| image_width = 250px
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|Temp Metric=°F
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| image_caption = Black-eyed peas, ''Vigna unguiculata'' ssp. ''dekindtiana''
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|image=BlackeyeBean.jpg
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| regnum = [[Plant]]ae
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|image_width=240
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| divisio = [[Flowering plant|Magnoliophyta]]
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|image_caption=Black-eyed peas, ''Vigna unguiculata'' ssp. ''dekindtiana''
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| classis = [[Dicotyledon|Magnoliopsida]]
 
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| ordo = [[Fabales]]
 
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| familia = [[Fabaceae]]
 
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| subfamilia = [[Faboideae]]
 
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| tribus = [[Phaseoleae]]
 
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| genus = '''''Vigna'''''
 
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| subdivision_ranks = Species
 
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| subdivision = See text.
 
 
}}
 
}}
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{{Inc|
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Vigna (Dominic Vigni, Paduan commentator on Theophrastus in the seventeenth century). Leguminosae. Herbs grown mostly for the seeds and fodder; the cowpea group.
  
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A Second Name from Italy but originally French
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The usual cultivated species of Vigna are annual bean-like rambling vines with 3 rhomboid-ovate stalked lfts., the lateral ones unequal-sided, the petioles long: fls. bean-like, white, pale to violet-purple and pale yellow, borne 2 or 3 together on the summit of a long axillary peduncle: pods slender, straight, or slightly curved, a few inches to 3 1/2 ft. long; seeds small, nearly round to kidney-shaped, bean-like, white or dark, self- colored or variously mottled, usually with a different color about the eye.—Species 60 or more, tropical. The species show great variation in stature and growth-habit, and particularly in the color of the seeds. The genus may be distinguished from Phaseolus by the fact that the keel is bent inward at right angles but is not coiled. Vigna resembles Dolichos in having a similar keel but differs from it in the form and position of the stigma. In the former species this is lateral, occupying a position just beneath the apex of the style and above the line of pubescence which extends up the inner face of this organ. Just opposite the stigma the apex of the style is bent backward and prolonged into a beak. The stigma in Dolichos, on the other hand, is terminal or merely oblique. The prolonged beak of the style is also absent. Vigna may be further distinguished from Dolichos in the shorter petioles of the first pair of aerial lvs. In Vigna these are about 1/4 in. long or shorter, whereas in Dolichos they are 1 in. long or longer.
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Three species of Vigna are in common cultivation: the cowpea, V. sinensis; the catjang, V. Catjang; and the asparagus bean, V. sesquipedalis. The asparagus bean (V. sesquipedalis) can be used as a forage plant for stock, or the green pods may be cooked as a snap bean since they are more tender and brittle than those of the cowpea or catjang. This species is little grown, however, due to a lack of productivity, except as a curiosity or novelty. The nomenclature of the cultivated varieties of the cowpea and catjang is almost hopelessly confused. Piper enumerates 220 agricultural varieties of the former and 50 of the latter. Formerly the name cowpea was restricted to the buff-colored or clay-pea, but it is now commonly used generically; it is an Americanism. Common generic terms now in use in the South are "black-eyed pea" and "corn-field pea." While the cowpea and the catjang are now employed mostly for animal food and green-manuring, the pea itself is a good human food and has been so used for many years. For table use the peas are best gathered when the pods first begin to change color; however, they are most extensively used from the dry ripe pods. As long ago as 1855 an excellent essay on cowpeas was written by Edmund Ruffin ("Essays and Notes on Agriculture," Richmond, 1855). Piper (Bulletin No. 229, Bureau of Plant Industry, United States Department of Agriculture) describes these three species as follows:
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Some species of Vigna are useful for ornament. V. strobilophora, Robs., from Mex. (Fig. 3932), is said by Pringle (G.F. 7:155, from which Fig. 3932 is reduced) to have abundant fls. that rival those of the wisteria in beauty. It is a twining woody vine climbing to tops of trees and shrubs: st. slender and flexuous, pubescent: lfts. 3, ovate, acuminate, entire, rounded at base, 2 1/2 in. long: fls. in dense axillary peduncled racemes, blue-purple, standard orbicular, slightly retuse, with 2 small appendages at base; bracts large, closely imbricated. V. vexillata, Benth. (Phaseolus vexillatus, Linn.), widely spread in the tropics and warm parts of Old World, is intro. in S. Calif.: woody perennial with pink fls., the rootstock tuberous, hairy: lfts. usually ovate-lanceolate to narrow-lanceolate, entire, 2-4 in. long: fls. 2-4 in a cluster on summit of peduncle; standard nearly 1 in. across, reflexed: pod 3-4 in. long, nearly cylindrical.
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}}
  
 
The [[genus]] '''''Vigna''''' is in the [[plant]] [[family (biology)|family]] [[Fabaceae]]. The genus is named after [[Dominico Vigna]] an [[Italian people|Italian]] [[botanist]] of the [[17th century]]. Many ''Vigna'' species are cultivated for food.  They include some well-known and not so well known bean [[species]] formerly included in the genus ''[[Phaseolus]]''. Common names in this genus reflect its mixed taxonomic history as some are referred to as peas and others as beans.
 
The [[genus]] '''''Vigna''''' is in the [[plant]] [[family (biology)|family]] [[Fabaceae]]. The genus is named after [[Dominico Vigna]] an [[Italian people|Italian]] [[botanist]] of the [[17th century]]. Many ''Vigna'' species are cultivated for food.  They include some well-known and not so well known bean [[species]] formerly included in the genus ''[[Phaseolus]]''. Common names in this genus reflect its mixed taxonomic history as some are referred to as peas and others as beans.
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*details of the [[biochemistry]]  
 
*details of the [[biochemistry]]  
  
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==Cultivation==
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<!--- Type cultivation info below this line, then delete this entire line -->
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===Propagation===
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<!--- Type propagation info below this line, then delete this entire line -->
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===Pests and diseases===
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''Vigna'' species are used as food plants by the [[larva]]e of some [[Lepidoptera]] species including [[Turnip Moth]].
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==Varieties==
 
Examples of ''Vigna'' species cultivated for food include:
 
Examples of ''Vigna'' species cultivated for food include:
  
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*''[[Vigna caracalla|V. caracalla]]''
 
*''[[Vigna caracalla|V. caracalla]]''
  
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''Vigna'' species are used as food plants by the [[larva]]e of some [[Lepidoptera]] species including [[Turnip Moth]].
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==Gallery==
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{{photo-sources}}<!-- remove this line if there are already 3 or more photos in the gallery  -->
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<gallery>
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Image:Upload.png| photo 1
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Image:Upload.png| photo 2
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Image:Upload.png| photo 3
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</gallery>
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==References==
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*{{wplink}}
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*[[Standard Cyclopedia of Horticulture]], by L. H. Bailey, MacMillan Co., 1963
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<!--- xxxxx  *Flora: The Gardener's Bible, by Sean Hogan. Global Book Publishing, 2003. ISBN 0881925381  -->
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<!--- xxxxx  *American Horticultural Society: A-Z Encyclopedia of Garden Plants, by Christopher Brickell, Judith D. Zuk. 1996. ISBN 0789419432  -->
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<!--- xxxxx  *Sunset National Garden Book. Sunset Books, Inc., 1997. ISBN 0376038608  -->
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==External links==
  
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== External links ==
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{{stub}}
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{{unimelb|Vigna.html}}
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__NOTOC__
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*[http://www.itis.usda.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=27015 ITIS Standard Report Page: Vigna]
 
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*[http://pgrc3.agr.ca/cgi-bin/npgs/html/taxdump.pl?Vigna GRIN-CA Taxonomy for Vigna]
 
  
 
[[Category:Faboideae]]
 
[[Category:Faboideae]]

Latest revision as of 09:22, 30 October 2009


Black-eyed peas, Vigna unguiculata ssp. dekindtiana


Plant Characteristics
Cultivation
Scientific Names

Fabaceae >

Vigna >



Read about Vigna in the Standard Cyclopedia of Horticulture 

Vigna (Dominic Vigni, Paduan commentator on Theophrastus in the seventeenth century). Leguminosae. Herbs grown mostly for the seeds and fodder; the cowpea group.

The usual cultivated species of Vigna are annual bean-like rambling vines with 3 rhomboid-ovate stalked lfts., the lateral ones unequal-sided, the petioles long: fls. bean-like, white, pale to violet-purple and pale yellow, borne 2 or 3 together on the summit of a long axillary peduncle: pods slender, straight, or slightly curved, a few inches to 3 1/2 ft. long; seeds small, nearly round to kidney-shaped, bean-like, white or dark, self- colored or variously mottled, usually with a different color about the eye.—Species 60 or more, tropical. The species show great variation in stature and growth-habit, and particularly in the color of the seeds. The genus may be distinguished from Phaseolus by the fact that the keel is bent inward at right angles but is not coiled. Vigna resembles Dolichos in having a similar keel but differs from it in the form and position of the stigma. In the former species this is lateral, occupying a position just beneath the apex of the style and above the line of pubescence which extends up the inner face of this organ. Just opposite the stigma the apex of the style is bent backward and prolonged into a beak. The stigma in Dolichos, on the other hand, is terminal or merely oblique. The prolonged beak of the style is also absent. Vigna may be further distinguished from Dolichos in the shorter petioles of the first pair of aerial lvs. In Vigna these are about 1/4 in. long or shorter, whereas in Dolichos they are 1 in. long or longer.

Three species of Vigna are in common cultivation: the cowpea, V. sinensis; the catjang, V. Catjang; and the asparagus bean, V. sesquipedalis. The asparagus bean (V. sesquipedalis) can be used as a forage plant for stock, or the green pods may be cooked as a snap bean since they are more tender and brittle than those of the cowpea or catjang. This species is little grown, however, due to a lack of productivity, except as a curiosity or novelty. The nomenclature of the cultivated varieties of the cowpea and catjang is almost hopelessly confused. Piper enumerates 220 agricultural varieties of the former and 50 of the latter. Formerly the name cowpea was restricted to the buff-colored or clay-pea, but it is now commonly used generically; it is an Americanism. Common generic terms now in use in the South are "black-eyed pea" and "corn-field pea." While the cowpea and the catjang are now employed mostly for animal food and green-manuring, the pea itself is a good human food and has been so used for many years. For table use the peas are best gathered when the pods first begin to change color; however, they are most extensively used from the dry ripe pods. As long ago as 1855 an excellent essay on cowpeas was written by Edmund Ruffin ("Essays and Notes on Agriculture," Richmond, 1855). Piper (Bulletin No. 229, Bureau of Plant Industry, United States Department of Agriculture) describes these three species as follows:

Some species of Vigna are useful for ornament. V. strobilophora, Robs., from Mex. (Fig. 3932), is said by Pringle (G.F. 7:155, from which Fig. 3932 is reduced) to have abundant fls. that rival those of the wisteria in beauty. It is a twining woody vine climbing to tops of trees and shrubs: st. slender and flexuous, pubescent: lfts. 3, ovate, acuminate, entire, rounded at base, 2 1/2 in. long: fls. in dense axillary peduncled racemes, blue-purple, standard orbicular, slightly retuse, with 2 small appendages at base; bracts large, closely imbricated. V. vexillata, Benth. (Phaseolus vexillatus, Linn.), widely spread in the tropics and warm parts of Old World, is intro. in S. Calif.: woody perennial with pink fls., the rootstock tuberous, hairy: lfts. usually ovate-lanceolate to narrow-lanceolate, entire, 2-4 in. long: fls. 2-4 in a cluster on summit of peduncle; standard nearly 1 in. across, reflexed: pod 3-4 in. long, nearly cylindrical.


The above text is from the Standard Cyclopedia of Horticulture. It may be out of date, but still contains valuable and interesting information which can be incorporated into the remainder of the article. Click on "Collapse" in the header to hide this text.


The genus Vigna is in the plant family Fabaceae. The genus is named after Dominico Vigna an Italian botanist of the 17th century. Many Vigna species are cultivated for food. They include some well-known and not so well known bean species formerly included in the genus Phaseolus. Common names in this genus reflect its mixed taxonomic history as some are referred to as peas and others as beans.

Many references even in current literature will place some of these species in genus Phaseolus. According to Hortus Third, however, Vigna differs from Phaseolus in that

  • plants in Vigna often have stipules that are appendaged
  • the thickened part of the style is less strongly twisted
  • details of the pollen
  • details of the biochemistry

Cultivation

Propagation

Pests and diseases

Vigna species are used as food plants by the larvae of some Lepidoptera species including Turnip Moth.

Varieties

Examples of Vigna species cultivated for food include:

Other Vigna species include:

Gallery

If you have a photo of this plant, please upload it! Plus, there may be other photos available for you to add.

  • photo 1

  • photo 2

  • photo 3

References

External links

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