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Allium schubertii, which has various common names including ornamental onion, flowering onion, tumbleweed onion and Persian onion, is a species of monocotyledonous flowering plant. It belongs to the onion and garlic genus , in the subfamily Allioideae of the family Amaryllidaceae .
A blooming onion, also called onion bloom, onion blossom, onion flower, bloomin' onion, or onion mum, is a dish consisting of one large onion, cut to resemble a flower (after it has expanded while soaking in ice water), battered, and deep-fried, often served with dipping sauce. It is served as an appetizer at some restaurants. [1]
The tree onion (Allium × proliferum) is a perennial plant similar to the common onion (A. cepa), but with a cluster of bulblets where a normal onion would have flowers. Tree onions are also known as topsetting onions , walking onions , or Egyptian onions .
Allium flavum (yellow) and Allium carinatum (purple). Allium is a large genus of monocotyledonous flowering plants with around 1000 different species accepted in botanical science, [4] [5] making Allium the largest genus in the Amaryllidaceae plant family and places Allium amongst the largest plant genera in the world. [6]
Onions are a cool-weather crop and can be grown in USDA zones 3 to 9. [67] Hot temperatures or other stressful conditions cause them to "bolt", meaning that a flower stem begins to grow. [68] Onions are grown from seeds or from partially grown bulbs called "sets" or starter bulbs. Onion seeds are short-lived and fresh seeds germinate more ...
Onions, in particular, produce a sulfur product that acts as a lacrimator, or a substance that causes tearing: “This volatile chemical escapes from the damaged onion into the air, and lands in ...
Allium vineale (wild garlic, onion grass, crow garlic or stag's garlic) is a perennial, bulb-forming species of wild onion, native to Europe, northwestern Africa and the Middle East. [2] The species was introduced in Australia and North America , where it has become an Invasive species .
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