Dicot Leaf Cross Section Vein

Add pallisade and spongy mesophyll to the drawing above 1 c.

Dicot leaf cross section vein. It is common in dicot leaves. An common example of this is the husk of corn or a blade of grass both are monocots. Monocots include all grasses and glasslike plants plus lilies irises amaryllises and some other plant types.

If mesophyll is not differentiated like this in a leaf i e made of only spongy or palisade parenchyma as in monocots it is called isobilateral. In this kind of leaves the veins strike parallel to each other it has isobilateral symmetry i e. Notice how the larger veins are thicker and straighter but as veins get smaller and smaller they tend to snake around.

However if you look closely you can see that all the veins originate at the base of the leaf and are parallel to each other in each lobe of the leaf. Monocots leave mostly have parallel veins whereas dicot leaves have net veins. Veins branch out in the same manner as described for palmate veins.

G lower epidermis. Syringa lilac a dicot leaf cross section 100x. The mesophyll tissue especially spongy parenchyma cells enclose a lot of air spaces.

Monocot leaves have their leaf veins arranged parallel to each other and the long axis of the leaf parallel vennation. Hi res links requires broadband curtis lersten and nowak 2002 rev. Monocots include all grasses and grass like plants while dicots include all our trees bushes etc.

Both the leaf surfaces ventral and dorsal surface are similar because it has an equal number of stomata distribution and. A leaf showing this differentiation in mesophyll is designated as dorsiventral. J guard cell.