The tree of heaven (Ailanthus altissima) can seem like a lookalike, but while both have pinnately compound leaves, the staghorn sumac is again the one with ridged leaf edges. Native Plant ...

The formation of relatively simple leaves in plants which bear lobed or compound forms may be described embryologically, as an arrest of development in the primordial leaf followed by a stage of ...

The leaves are compound, consisting of many smaller leaves on one stem alternating in odd pairs with a leaf at the tip.