The upcoming discussion will update you about the difference between dorsiventral leaf, Isobilateral leaf and centric leaf. Difference # Dorsiventral Leaf: 1. Internally the leaf is differentiated into upper and lower epidermis and mesophyll, which lies in between the two epidermises. 2. The distribution of stomata is usually restricted to lower epidermis. 3. Mesophyll is composed, of palisade and spongy [...]
Vascular bundle is the isolated unit of the longitudinal strands of conducting tissues consisting essentially of xylem and phloem, frequently with a sheath of thick walled cells or other interspersed cells. Occurrence of Vascular Bundle: Vascular bundles are present in all plant organs, mainly in stem (including rhizomes or underground stems), leaves and roots (including aerial). In stem they are [...]
In this article we will discuss about the arrangements of tissues in leaves. Leaves are generally flat organs and to differentiate the two surfaces different terms are used. The surface that faces the stem upwardly is designated as upper surface or adaxial surface whereas the other surface is the lower or abaxial surface. Anatomically a leaf comprises the usual three [...]