1) Fronds – Leaf of fern plants such as club-mosses and horsetails. 2) Leaves of conifer – Found in plants such as fir and pine. 3) Leaves of angiosperm – Leaves of common flowering plants such as rose, dahlia and, sunflower. 4) Sheath leaves – Elongated and tubular leaves as found in variety of grasses

The leaf may have lobes like the oak leaf, but the blade has one continuous margin. The venation differs in the two examples below. The oak leaf is pinnate, with a major vein heading down the midrib of the leaf. The maple leaf is palmate, with major veins that radiate from the point of attachment to the petiole.

Some common examples of plants and trees with pinnately compound leaves are the ash, pecan, and walnut trees as well as the many species of ferns. They have a symmetrical pattern along the midpoint and can be further categorized as follows:

leaf, in botany, any usually flattened green outgrowth from the stem of a vascular plant. As the primary sites of photosynthesis, leaves manufacture food for plants, which in turn ultimately nourish and sustain all land animals. Botanically, leaves are an integral part of the stem system.