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 Half PNG Free Photo PNG Image
    Onion Half PNG Free Photo
    Format: PNG
    Resolution: 3422x2076
    Size: 8.0MB
    Downloads: 69
  • Onion Half Free Photo PNG Image
    Onion Half Free Photo
    Format: PNG
    Resolution: 654x557
    Size: 392.3KB
    Downloads: 80
  • Onion Half PNG Image High Quality PNG Image
    Onion Half PNG Image High Quality
    Format: PNG
    Resolution: 3000x2085
    Size: 2.3MB
    Downloads: 69
  • Photos Onion Half Free Transparent Image HD PNG Image
    Photos Onion Half Free Transparent Image HD
    Format: PNG
    Resolution: 1532x1556
    Size: 2.3MB
    Downloads: 85
  • Onion Half Free Photo PNG Image
    Onion Half Free Photo
    Format: PNG
    Resolution: 3500x2738
    Size: 8.0MB
    Downloads: 51
  • Onion Half Free Transparent Image HD PNG Image
    Onion Half Free Transparent Image HD
    Format: PNG
    Resolution: 600x600
    Size: 235.0KB
    Downloads: 47
  • Onion Half HD Image Free PNG Image
    Onion Half HD Image Free
    Format: PNG
    Resolution: 530x600
    Size: 247.7KB
    Downloads: 52
  • Onion Free Clipart HD PNG Image
    Onion Free Clipart HD
    Format: PNG
    Resolution: 1128x836
    Size: 750.1KB
    Downloads: 56
  • Onion Free PNG HQ PNG Image
    Onion Free PNG HQ
    Format: PNG
    Resolution: 941x1022
    Size: 1.4MB
    Downloads: 81
  • Onion Free Photo PNG Image
    Onion Free Photo
    Format: PNG
    Resolution: 1368x1758
    Size: 2.6MB
    Downloads: 61
  • Photos Onion Free Transparent Image HD PNG Image
    Photos Onion Free Transparent Image HD
    Format: PNG
    Resolution: 1355x676
    Size: 828.2KB
    Downloads: 46
  • Pic Onion Download Free Image PNG Image
    Pic Onion Download Free Image
    Format: PNG
    Resolution: 1454x960
    Size: 1.5MB
    Downloads: 44
  • Onion HQ Image Free PNG Image
    Onion HQ Image Free
    Format: PNG
    Resolution: 600x631
    Size: 164.3KB
    Downloads: 67
  • Slice Onion Download Free Image PNG Image
    Slice Onion Download Free Image
    Format: PNG
    Resolution: 1917x968
    Size: 1.4MB
    Downloads: 72
  • Slice Onion Free Transparent Image HD PNG Image
    Slice Onion Free Transparent Image HD
    Format: PNG
    Resolution: 1145x420
    Size: 624.7KB
    Downloads: 77
  • Slice Onion Free PNG HQ PNG Image
    Slice Onion Free PNG HQ
    Format: PNG
    Resolution: 741x489
    Size: 496.5KB
    Downloads: 54
  • Photos Slice Onion PNG Download Free PNG Image
    Photos Slice Onion PNG Download Free
    Format: PNG
    Resolution: 612x373
    Size: 297.8KB
    Downloads: 91
  • Slice Onion PNG Free Photo PNG Image
    Slice Onion PNG Free Photo
    Format: PNG
    Resolution: 1408x1123
    Size: 1.5MB
    Downloads: 62
  • Slice Onion Free HD Image PNG Image
    Slice Onion Free HD Image
    Format: PNG
    Resolution: 2400x2345
    Size: 2.1MB
    Downloads: 45
  • Onion Free Transparent Image HD PNG Image
    Onion Free Transparent Image HD
    Format: PNG
    Resolution: 1265x1299
    Size: 1.5MB
    Downloads: 51

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