A leaf is the associate organ of a tracheophyte and is that the principal lateral appendage of the stem. The leaves and stem along with type the shoot. Leaves are together said as foliage, as in 'autumn foliage'. A leaf is the associate organ of a tracheophyte and is that the principal lateral appendage of the stem. The leaves and stem along with type the shoot. Leaves are together said as foliage, as in 'autumn foliage'.
A leaf could be a skinny, dorsiventrally planar organ, sometimes borne on top of the ground and specialised for chemical change. In most leaves, the first chemical process tissue, the palisade mesophyll, is found on the side of the blade or plate of the leaf. However in some species, together with the mature foliage of Eucalyptus, palisade mesophyll is gift on each side and also the leaves are aforementioned to be bilaterally symmetric. Most leaves have a distinct side (ad axial) and lower surface (axial) that take issue in colour, hairiness, the number of stomata (pores that intake and output gases), the quantity and structure of epicuticular wax and different options.
Leaves will have many various shapes, sizes and textures. The broad, flat leaves with complicated venation of flowering plants are called megaphylls and also the species that bear them, the bulk, as broad-leafed or megaphyllous plants. Within the clubmosses, with totally different biological process origins, the leaves are straightforward (with solely one vein) and are called microphylls. Some leaves, like bulb scales, don't seem to be on top of the ground. In several aquatic species, the leaves are submerged in water. Succulent plants typically have thick juicy leaves, however, some leaves ar while not major chemical process operates and will be dead at maturity, as in some cataphylls and spines. What is more, many sorts of leaf-like structures found in tube-shaped structure plants don't seem to be completely homologous with them. Examples embody planar plant stems known as phylloclades and cladodes, and planar leaf stems known as phyllodes that take issue from leaves each in their structure and origin. Some structures of non-vascular plants look and performance very like leaves. Examples embody the phyllids of mosses and liverworts. Midvein (Primary vein) Secondary Leaf.

In this sub category you can download free PNG images: Leaves Nature. In this category "Leaves" we have 123 free PNG images with transparent background.

  • Leaves Png Clipart PNG Image
    Leaves Png Clipart
    Format: PNG
    Resolution: 848x1009
    Size: 589.3KB
    Downloads: 1,061
  • Real Leaves Transparent PNG Image
    Real Leaves Transparent
    Format: PNG
    Resolution: 1000x800
    Size: 657.3KB
    Downloads: 466
  • Real Leaves PNG Image
    Real Leaves
    Format: PNG
    Resolution: 900x446
    Size: 462.5KB
    Downloads: 383
  • Falling Leaves Clipart PNG Image
    Falling Leaves Clipart
    Format: PNG
    Resolution: 900x1125
    Size: 1001.6KB
    Downloads: 386
  • Water Drop Leaf PNG File HD PNG Image
    Water Drop Leaf PNG File HD
    Format: PNG
    Resolution: 800x367
    Size: 301.1KB
    Downloads: 78
  • Water Drop Leaf PNG Image High Quality PNG Image
    Water Drop Leaf PNG Image High Quality
    Format: PNG
    Resolution: 516x502
    Size: 214.9KB
    Downloads: 83
  • Real Leaves Clipart PNG Image
    Real Leaves Clipart
    Format: PNG
    Resolution: 600x580
    Size: 279.7KB
    Downloads: 543
  • Autumn Leaves Transparent Image PNG Image
    Autumn Leaves Transparent Image
    Format: PNG
    Resolution: 4153x1988
    Size: 1.2MB
    Downloads: 554
  • Real Leaves PNG Image
    Real Leaves
    Format: PNG
    Resolution: 500x522
    Size: 239.8KB
    Downloads: 678
  • Leaves Green Ivy Hanging Free HQ Image PNG Image
    Leaves Green Ivy Hanging Free HQ Image
    Format: PNG
    Resolution: 860x377
    Size: 278.3KB
    Downloads: 84
  • Water Drop Leaf HQ Image Free PNG Image
    Water Drop Leaf HQ Image Free
    Format: PNG
    Resolution: 600x197
    Size: 190.0KB
    Downloads: 73
  • Water Drop Leaf Free Clipart HQ PNG Image
    Water Drop Leaf Free Clipart HQ
    Format: PNG
    Resolution: 820x333
    Size: 146.6KB
    Downloads: 68
  • Water Drop Leaf Free Transparent Image HD PNG Image
    Water Drop Leaf Free Transparent Image HD
    Format: PNG
    Resolution: 816x518
    Size: 428.0KB
    Downloads: 93
  • Water Drop Leaf PNG Free Photo PNG Image
    Water Drop Leaf PNG Free Photo
    Format: PNG
    Resolution: 820x622
    Size: 328.7KB
    Downloads: 70
  • Falling Leaves File PNG Image
    Falling Leaves File
    Format: PNG
    Resolution: 7561x2383
    Size: 3.6MB
    Downloads: 645
  • Single Green Leaves Download Free Image PNG Image
    Single Green Leaves Download Free Image
    Format: PNG
    Resolution: 512x341
    Size: 188.6KB
    Downloads: 93
  • Water Drop Leaf Dew Free PNG HQ PNG Image
    Water Drop Leaf Dew Free PNG HQ
    Format: PNG
    Resolution: 1181x1181
    Size: 289.1KB
    Downloads: 57
  • Autumn Leaves PNG Image
    Autumn Leaves
    Format: PNG
    Resolution: 3696x2316
    Size: 1.7MB
    Downloads: 373
  • Water Leaf Tree Download HQ PNG Image
    Water Leaf Tree Download HQ
    Format: PNG
    Resolution: 626x418
    Size: 159.5KB
    Downloads: 78
  • Water Pic Drop Leaf Dew PNG Image
    Water Pic Drop Leaf Dew
    Format: PNG
    Resolution: 2000x1451
    Size: 1.4MB
    Downloads: 46

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