Leaf veins are important to transport nutrients to all parts of the leaf.

The oak tree leaf is broad, thin and flat and is called a broadleaf.

You may also see rounded serrations along the leaf edges.

The shape of the leaf may be ovate, obovate and sometimes, elliptic. Oak tree leaves may be deeply pinnatifid-like seen in Canada.

The characteristic features in an oak leaf are its lobes and sinuses (space between the lobes). The number of lobes may be from 5 up to 20 in a leaf. Sep 03, The leaves of the southern red oak have a bell-shaped base, are" long with deep lobes.

These acorns are nearly entirely covered by the cap.

The center lobe is considerably longer than the others and quite narrow. There are bristle tips (tiny hairs) on the end of each lobe (you will not find these bristle tips on the end of the white oak leaf)%(5). Most known for its star-shaped medium green leaves typically with five lobes, but sometimes seven, the American Sweet Gum starts growing in a pyramidal form but soon gives way to a roundish or oval shape. In the fall, the once green leaves change over to brilliant hues of purple, red, orange, or stumpchopping.barted Reading Time: 8 mins.