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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 65 free PNG images with transparent background.

  • Onion Png Image PNG Image

    Onion Png Image
    Format: PNG
    Resolution: 3500x2738
    Size: 2.2MB
    Downloads: 2,127
  • Red Onion Png Image PNG Image

    Red Onion Png Image
    Format: PNG
    Resolution: 3191x1675
    Size: 1.5MB
    Downloads: 1,404
  • Red Onion Png Image PNG Image

    Red Onion Png Image
    Format: PNG
    Resolution: 3351x2991
    Size: 274.8KB
    Downloads: 1,201
  • Onion Png Image Download Picture PNG Image

    Onion Png Image Download Picture
    Format: PNG
    Resolution: 300x280
    Size: 25.3KB
    Downloads: 1,063
  • Onion Png Image PNG Image

    Onion Png Image
    Format: PNG
    Resolution: 3470x2086
    Size: 320.0KB
    Downloads: 977
  • Onion Png Image PNG Image

    Onion Png Image
    Format: PNG
    Resolution: 3251x2113
    Size: 2.7MB
    Downloads: 942
  • Onion Png Image Download Picture PNG Image

    Onion Png Image Download Picture
    Format: PNG
    Resolution: 200x174
    Size: 18.8KB
    Downloads: 911
  • Onion Png Image PNG Image

    Onion Png Image
    Format: PNG
    Resolution: 2287x1970
    Size: 1.4MB
    Downloads: 863
  • Onion Png Image PNG Image

    Onion Png Image
    Format: PNG
    Resolution: 3109x2161
    Size: 2.2MB
    Downloads: 709
  • Onion Png Image Download Picture PNG Image

    Onion Png Image Download Picture
    Format: PNG
    Resolution: 800x712
    Size: 110.9KB
    Downloads: 671
  • Red Onion Png Image PNG Image

    Red Onion Png Image
    Format: PNG
    Resolution: 2250x1894
    Size: 833.4KB
    Downloads: 660
  • Onion Slice Transparent Image PNG Image

    Onion Slice Transparent Image
    Format: PNG
    Resolution: 419x262
    Size: 144.5KB
    Downloads: 658
  • Onion Png File PNG Image

    Onion Png File
    Format: PNG
    Resolution: 1128x836
    Size: 750.1KB
    Downloads: 636
  • Onion Png Image Download Picture PNG Image

    Onion Png Image Download Picture
    Format: PNG
    Resolution: 208x219
    Size: 16.1KB
    Downloads: 632
  • Onion Png Image PNG Image

    Onion Png Image
    Format: PNG
    Resolution: 3422x2076
    Size: 2.6MB
    Downloads: 624
  • Onion Free Png Image PNG Image

    Onion Free Png Image
    Format: PNG
    Resolution: 550x500
    Size: 296.5KB
    Downloads: 614
  • Onion Png Image Download Picture PNG Image

    Onion Png Image Download Picture
    Format: PNG
    Resolution: 3262x1935
    Size: 1.7MB
    Downloads: 566
  • Onion Png Image Download Picture PNG Image

    Onion Png Image Download Picture
    Format: PNG
    Resolution: 400x400
    Size: 39.5KB
    Downloads: 539
  • Red Onion Hd PNG Image

    Red Onion Hd
    Format: PNG
    Resolution: 687x627
    Size: 467.4KB
    Downloads: 516
  • Onion Png Image PNG Image

    Onion Png Image
    Format: PNG
    Resolution: 3422x2076
    Size: 2.6MB
    Downloads: 513