The onion (Allium cepa L., from Latin cepa "onion"), additionally recognized as the bulb onion or frequent onion, is a vegetable that is the most broadly cultivated species of the genus Allium. Its shut family consist of the garlic, scallion, shallot, leek, chive, and Chinese onion. This genus additionally includes countless different species variously referred to as onions and cultivated for food, such as the Japanese bunching onion (Allium fistulosum), the tree onion (A. ×proliferum), and the Canada onion (Allium canadense). The identify "wild onion" is utilized to a range of Allium species, however A. cepa is completely recognised from cultivation. Its ancestral wild unique structure is no longer known, though escapes from cultivation have turn out to be mounted in some regions. The onion is most regularly a biennial or a perennial plant, however is typically handled as an annual and harvested in its first developing season.
The onion plant has a fan of hollow, bluish-green leaves and its bulb at the base of the plant starts to swell when a sure day-length is reached. The bulbs are composed of shortened, compressed, underground stems surrounded via fleshy modified scale (leaves) that envelop a central bud at the tip of the stem. In the autumn (or in spring, in the case of overwintering onions), the foliage dies down and the outer layers of the bulb emerge as dry and brittle. The crop is harvested and dried and the onions are prepared for use or storage. The crop is susceptible to assault through a variety of pests and diseases, mainly the onion fly, the onion eelworm, and a range of fungi which can purpose rotting. Some sorts of A. cepa, such as shallots and potato onions, produce a couple of bulbs. Onions are cultivated and used round the world. As a meals item, they are normally served cooked, as a vegetable or phase of a organized savoury dish, however can additionally be eaten uncooked or used to make pickles or chutneys. They are pungent when chopped and incorporate positive chemical components which irritate the eyes.

In this sub category you can download free PNG images: Onion Vegetables. In this category "Onion" we have 121 free PNG images with transparent background.

  • Brown Onion Bunch Free Download PNG HQ PNG Image
    Brown Onion Bunch Free Download PNG HQ
    Format: PNG
    Resolution: 900x900
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  • Brown Slice Onion HQ Image Free PNG Image
    Brown Slice Onion HQ Image Free
    Format: PNG
    Resolution: 512x512
    Size: 164.1KB
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  • Brown Slice Onion Free Transparent Image HD PNG Image
    Brown Slice Onion Free Transparent Image HD
    Format: PNG
    Resolution: 500x500
    Size: 158.5KB
    Downloads: 60
  • Brown Slice Onion Download HD PNG Image
    Brown Slice Onion Download HD
    Format: PNG
    Resolution: 512x512
    Size: 165.2KB
    Downloads: 97
  • Brown Slice Onion Photos PNG File HD PNG Image
    Brown Slice Onion Photos PNG File HD
    Format: PNG
    Resolution: 1000x1125
    Size: 1.7MB
    Downloads: 83
  • Brown Slice Onion Free Clipart HD PNG Image
    Brown Slice Onion Free Clipart HD
    Format: PNG
    Resolution: 512x512
    Size: 196.1KB
    Downloads: 96
  • Brown Slice Onion PNG Download Free PNG Image
    Brown Slice Onion PNG Download Free
    Format: PNG
    Resolution: 3422x2076
    Size: 8.0MB
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  • Brown Vector Onion Free Transparent Image HQ PNG Image
    Brown Vector Onion Free Transparent Image HQ
    Format: PNG
    Resolution: 512x512
    Size: 56.5KB
    Downloads: 45
  • Brown Vector Onion Free Photo PNG Image
    Brown Vector Onion Free Photo
    Format: PNG
    Resolution: 600x547
    Size: 219.7KB
    Downloads: 53
  • Brown Vector Onion Free Download PNG HD PNG Image
    Brown Vector Onion Free Download PNG HD
    Format: PNG
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  • Brown Vector Onion Photos PNG Download Free PNG Image
    Brown Vector Onion Photos PNG Download Free
    Format: PNG
    Resolution: 743x901
    Size: 118.9KB
    Downloads: 61
  • Brown Vector Onion Download HQ PNG Image
    Brown Vector Onion Download HQ
    Format: PNG
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    Size: 22.7KB
    Downloads: 80
  • Fresh Onion PNG Image High Quality PNG Image
    Fresh Onion PNG Image High Quality
    Format: PNG
    Resolution: 3191x1675
    Size: 4.8MB
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  • Fresh Onion Free Download Image PNG Image
    Fresh Onion Free Download Image
    Format: PNG
    Resolution: 500x500
    Size: 197.9KB
    Downloads: 76
  • Fresh Onion HD Image Free PNG Image
    Fresh Onion HD Image Free
    Format: PNG
    Resolution: 687x627
    Size: 467.4KB
    Downloads: 81
  • Fresh Onion Photos PNG Free Photo PNG Image
    Fresh Onion Photos PNG Free Photo
    Format: PNG
    Resolution: 932x652
    Size: 882.1KB
    Downloads: 53
  • Fresh Pic Onion Free Transparent Image HD PNG Image
    Fresh Pic Onion Free Transparent Image HD
    Format: PNG
    Resolution: 2369x1565
    Size: 1.8MB
    Downloads: 56
  • Fresh Onion Free Transparent Image HQ PNG Image
    Fresh Onion Free Transparent Image HQ
    Format: PNG
    Resolution: 1602x1200
    Size: 852.8KB
    Downloads: 77
  • Fresh Onion Free Clipart HQ PNG Image
    Fresh Onion Free Clipart HQ
    Format: PNG
    Resolution: 800x712
    Size: 324.5KB
    Downloads: 62
  • Fresh Onion PNG File HD PNG Image
    Fresh Onion PNG File HD
    Format: PNG
    Resolution: 1168x1500
    Size: 1.3MB
    Downloads: 69

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