Top Leaf PNG Images
A leaf is the principal lateral appendage of the stem which is in turn part of a plant. Hence a leave is an organ of a vascular plant. The shoot is formed together by the stem and the leaves. Foliage is a term used for referring leaves collectively. As is one must have often heard, 'autumn foliage'. The characteristic of this plant organ is that it is a dorsoventrally flattened organ, usually borne above the ground, and specialised for its function of photosynthesis. Photosynthesis is the process of converting the intake of carbon dioxide into oxygen. The primary photosynthesis tissue, in most leaves, known as palisade mesophyll, is located on the upper side of the blade or lamina of the leaf. However there are still exceptions, like in some species, including the mature foliage of Eucalypts, palisade mesophyll is present on both sides and these leaves are said to be isobilateral.
Many leaves have a distinct upper surface, also known as adaxial and distinct lower surface called abaxial which differ in colour, the number of stomata ( stomata are the pores present on leaves that intake and output gases), hairiness, the amount and structure of epicuticular wax and other features. When talking about the colour of leaves, they are mostly green, but there are always exceptions.
In this sub category you can download free PNG images: Leaf Nature. In this category "Leaf" we have 290 free PNG images with transparent background.
-
Vine Leaf Grape Bunch Free HD Image
Format: PNG
Resolution: 886x1135
Size: 204.2KB
Downloads: 52 -
Vector Green Leafs Download HD
Format: PNG
Resolution: 2565x2388
Size: 3.7MB
Downloads: 52 -
Green Leafs PNG Download Free
Format: PNG
Resolution: 512x384
Size: 66.9KB
Downloads: 51 -
Vector Green Leafs Free Clipart HQ
Format: PNG
Resolution: 582x596
Size: 18.7KB
Downloads: 51 -
Photos Green Leafs Free Transparent Image HQ
Format: PNG
Resolution: 1600x1200
Size: 593.1KB
Downloads: 49 -
Green Leafs Free Transparent Image HD
Format: PNG
Resolution: 796x1456
Size: 290.9KB
Downloads: 48 -
Green Pic Organic Leafs HQ Image Free
Format: PNG
Resolution: 2291x1850
Size: 2.6MB
Downloads: 48 -
Green Organic Leafs Free Download PNG HD
Format: PNG
Resolution: 1006x366
Size: 280.7KB
Downloads: 48 -
Vector Green Leafs HQ Image Free
Format: PNG
Resolution: 512x512
Size: 3.7KB
Downloads: 48 -
Vector Green Leafs HQ Image Free
Format: PNG
Resolution: 1266x883
Size: 518.1KB
Downloads: 44
