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An onion (Allium cepa L., from Latin cepa meaning "onion"), also known as the bulb onion or common onion, is a vegetable that is the most widely cultivated species of the genus Allium. The shallot is a botanical variety of the onion which was classified as a separate species until 2011.
About a dozen species are economically important as crops, or garden vegetables, and an increasing number of species are important as ornamental plants. [15] [16] Plants of the genus produce chemical compounds, mostly derived from cysteine sulfoxides, that give them a characteristic onion or garlic taste and odor. [15]
There are dozens of cultivars of the onion (Allium cepa), one of the most widely cultivated species of the genus Allium, But there are also other species cultivated as 'onions'. Many are named after the first person to breed them, or the locality they came from.
Hence it is considered a scarce sansai (wild-harvested vegetable), and commands high prices at the market. Siberian onion is an important ethnobotanic food plant for the indigenous Ainu people of Japan. In the Ainu language it is called pukusa, [22] [23] kitobiru, [23] or ( since "biru/hiru" is a Japanese word for onion-type plants), simply ...
The Amaryllidaceae include many ornamental garden plants such as daffodils, snowdrops and snowflake, pot plants such as amaryllis and Clivia, and vegetables, such as onions, chives, leeks and garlic. A number of tropical lily-like plants are also sold, such as the belladonna lily , Amazon lily , blood lily (Cape tulip), Cornish lily (Nerine ...
Allium canadense, the Canada onion, Canadian garlic, wild garlic, meadow garlic and wild onion [6] is a perennial plant native to eastern North America [a] from Texas to Florida to New Brunswick to Montana. The species is also cultivated in other regions as an ornamental and as a garden culinary herb. [7] The plant is also reportedly ...
Onions are also an extremely hardy vegetable. Civilizations have relied on onions as a food source for millennia, and part of its appeal is its resiliency. When stored properly, certain varieties ...
Some foods have always been common in every continent, such as many seafood and plants. Examples of these are honey, ants, mussels, crabs and coconuts. Nikolai Vavilov initially identified the centers of origin for eight crop plants, subdividing them further into twelve groups in 1935. [1]