Allium fistulosum

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This article is about bunching onion. For onion, see Onion.
See also: Scallion
Welsh onion
Allium fistulosum at a farm
Scientific classification e
Kingdom: Plantae
Clade: Angiosperms
Clade: Monocots
Order: Asparagales
Family: Amaryllidaceae
Subfamily: Allioideae
Tribe: Allieae
Genus: Allium
Species: A. fistulosum
Binomial name
Allium fistulosum
Allium fistulosum
Welsh onions, raw
Nutritional value per 100 g (3.5 oz)
Energy 142 kJ (34 kcal)
6.5 g
Sugars 2.18 g
Dietary fiber 2.4 g
0.4 g
1.9 g
Vitamin A 1160 IU
Thiamine (B1)
0.05 mg
Riboflavin (B2)
0.09 mg
Niacin (B3)
0.4 mg
Pantothenic acid (B5)
0.169 mg
Vitamin B6
0.072 mg
Folate (B9)
16 μg
Vitamin C
27 mg
Vitamin E
0.51 mg
Vitamin K
193.4 μg
52 mg
1.22 mg
23 mg
0.137 mg
49 mg
212 mg
17 mg
0.52 mg

Percentages are roughly approximated using US recommendations for adults.
Source: USDA Nutrient Database

Allium fistulosum L. (Welsh onion, Japanese bunching onion, bunching onion, long green onion) is a species of perennial onion. The common name Welsh onion is rather a misnomer, as the species is native to China, though cultivated in many places and naturalized in scattered locations in Eurasia and North America.[1]

The species is very similar in taste and odor to the related common onion, Allium cepa, and hybrids between the two (tree onions) exist. The Welsh onion, however, does not develop bulbs, and possesses hollow leaves (fistulosum means "hollow") and scapes. Large varieties of the Welsh onion resemble the leek, such as the Japanese negi, whilst smaller varieties resemble chives. Many Welsh onions can multiply by forming perennial evergreen clumps.[2][3] Next to culinary use, it is also grown in a bunch as an ornamental plant.

Historically, the Welsh onion was known as the cibol.[4] In Cornwall, they are known as chibbles.

A. fistulosum is not indigenous to Wales or particularly common in Welsh cuisine (the green Allium common to Wales is the leek, A. ampeloprasum, the national vegetable of Wales). "Welsh" preserves the original meaning of the Old English word welisc, or Old German welsche, meaning "foreign" (compare wal- in "walnut", of the same etymological origin).

Ambiguous names[edit]

Other names that may be applied to this plant include green onion, salad onion, and spring onion. These names are ambiguous, as they may also be used to refer to any young green onion stalk, whether grown from Welsh onions, common onions, or other similar members of the genus Allium (also see scallion).

Culinary use[edit]

The Welsh onion is an ingredient in Asian cuisine, especially in East and Southeast Asia. It is particularly important in China, Japan, and Korea, hence the other English name for this plant, Japanese bunching onion.[citation needed]

In the West, the Welsh onion is primarily used as a scallion or salad onion, but is widely used in other parts of the world, particularly East Asia.[5]


Known as escallion,[6] the Welsh onion is an ingredient in Jamaican cuisine, in combination with thyme, scotch bonnet pepper, garlic, and allspice (called pimenta). Recipes with escallion sometimes suggest leek as a substitute in salads. Jamaican dried spice mixtures using escallion are available commercially.

The Jamaican name is probably a variant of scallion, the term used loosely for the spring onion and various other plants in the genus Allium.


The Japanese name is negi (ネギ). Common onions were introduced to East Asia in the 19th century, but A. fistulosum remains more popular and widespread.[5] It is used in miso soup, negimaki (beef and scallion rolls),[7] among others, and it is widely sliced up and used as a garnish, such as on teriyaki or takoyaki.


In Korea, Allium fistulosum along with Allium × wakegi is called pa(, "scallion"), while common onions are called yangpa(양파, "Western scallion"). Larger Allium fistulosum, looking similar to leek, is called daepa(대파, "big scallion"), while thinner early variety is called silpa(실파, "thread scallion"). Allium × wakegi is called jjokpa(쪽파).


Welsh onions are used in Russia in the spring for adding green leaves to salads.

Image gallery[edit]

See also[edit]


  1. ^ a b "World Checklist of Selected Plant Families: Royal Botanic Gardens, Kew". 
  2. ^ "Floridata Profile". 
  3. ^ Thompson, Sylvia (1995). The Kitchen Garden. Bantam Books. 
  4. ^ Ward, A: The Encyclopedia of Food and Beverage, New York, 1911. Retrieved January 5, 2007.
  5. ^ a b Fritsch, R.M.; N. Friesen (2002). "Chapter 1: Evolution, Domestication, and Taxonomy". In H.D. Rabinowitch and L. Currah. Allium Crop Science: Recent Advances. Wallingford, UK: CABI Publishing. p. 18. ISBN 0-85199-510-1. 
  6. ^ "MAJOR PESTS OF ESCALLION (ALLIUM FISTULOSUM) IN JAMAICA" (PDF). Ministry of Agriculture and Lands, Jamaica. November 2006. 
  7. ^ "Recipe – Chicken Negimaki –". The New York Times. August 13, 2010. Retrieved September 15, 2012. 

External links[edit]