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.

  • Onion Free PNG HQ PNG Image
    Onion Free PNG HQ
    Format: PNG
    Resolution: 941x1022
    Size: 1.4MB
    Downloads: 81
  • Brown Vector Onion Download HQ PNG Image
    Brown Vector Onion Download HQ
    Format: PNG
    Resolution: 512x512
    Size: 22.7KB
    Downloads: 80
  • Onion Half Free Photo PNG Image
    Onion Half Free Photo
    Format: PNG
    Resolution: 654x557
    Size: 392.3KB
    Downloads: 80
  • Brown Onion Free HQ Image PNG Image
    Brown Onion Free HQ Image
    Format: PNG
    Resolution: 500x339
    Size: 46.0KB
    Downloads: 79
  • Brown Vector Onion Free Download PNG HD PNG Image
    Brown Vector Onion Free Download PNG HD
    Format: PNG
    Resolution: 887x1280
    Size: 290.3KB
    Downloads: 79
  • Brown Onion Photos Free PNG HQ PNG Image
    Brown Onion Photos Free PNG HQ
    Format: PNG
    Resolution: 611x408
    Size: 42.7KB
    Downloads: 78
  • Fresh Onion Free Transparent Image HQ PNG Image
    Fresh Onion Free Transparent Image HQ
    Format: PNG
    Resolution: 1602x1200
    Size: 852.8KB
    Downloads: 77
  • Slice Onion Free Transparent Image HD PNG Image
    Slice Onion Free Transparent Image HD
    Format: PNG
    Resolution: 1145x420
    Size: 624.7KB
    Downloads: 77
  • Fresh Onion Free Download Image PNG Image
    Fresh Onion Free Download Image
    Format: PNG
    Resolution: 500x500
    Size: 197.9KB
    Downloads: 76
  • Brown Onion Download HD PNG Image
    Brown Onion Download HD
    Format: PNG
    Resolution: 585x390
    Size: 139.3KB
    Downloads: 73
  • Onion Free Transparent Image HD PNG Image
    Onion Free Transparent Image HD
    Format: PNG
    Resolution: 1000x1000
    Size: 331.2KB
    Downloads: 73
  • Slice Onion Download Free Image PNG Image
    Slice Onion Download Free Image
    Format: PNG
    Resolution: 1917x968
    Size: 1.4MB
    Downloads: 72
  • Fresh Onion PNG File HD PNG Image
    Fresh Onion PNG File HD
    Format: PNG
    Resolution: 1168x1500
    Size: 1.3MB
    Downloads: 69
  • Onion Half PNG Free Photo PNG Image
    Onion Half PNG Free Photo
    Format: PNG
    Resolution: 3422x2076
    Size: 8.0MB
    Downloads: 69
  • Onion Half PNG Image High Quality PNG Image
    Onion Half PNG Image High Quality
    Format: PNG
    Resolution: 3000x2085
    Size: 2.3MB
    Downloads: 69
  • Onion HQ Image Free PNG Image
    Onion HQ Image Free
    Format: PNG
    Resolution: 600x631
    Size: 164.3KB
    Downloads: 67
  • Brown Onion Free PNG HQ PNG Image
    Brown Onion Free PNG HQ
    Format: PNG
    Resolution: 600x600
    Size: 71.2KB
    Downloads: 64
  • Brown Onion Bunch Download HQ PNG Image
    Brown Onion Bunch Download HQ
    Format: PNG
    Resolution: 512x384
    Size: 92.0KB
    Downloads: 62
  • Brown Photos Onion Bunch Download HQ PNG Image
    Brown Photos Onion Bunch Download HQ
    Format: PNG
    Resolution: 512x512
    Size: 125.9KB
    Downloads: 62
  • Fresh Onion Free Clipart HQ PNG Image
    Fresh Onion Free Clipart HQ
    Format: PNG
    Resolution: 800x712
    Size: 324.5KB
    Downloads: 62

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