Bur Oak Tree Leaf Identification

The Bur Oak (Quercus macrocarpa) is a large deciduous tree that is native to North America. It is known for its broad and thick leaves that provide ample shade and shelter for wildlife. Identifying the leaves of a Bur Oak can be a fun and rewarding experience, especially for those interested in botany and nature. In this article, we’ll take a closer look at Bur Oak tree leaf identification, including their unique features, appearance, and uses.

Leaf Shape and Size

The leaves of a Bur Oak are large, broad, and deeply lobed, with five to nine rounded lobes on each leaf. They can grow up to 12 inches long and 10 inches wide, making them one of the largest oak leaves in North America. The lobes are separated by deep sinuses, giving the leaf a distinct and recognizable shape. The edges of the leaves are smooth, except for small teeth near the tips of the lobes.

Leaf Color and Texture

The leaves of a Bur Oak are dark green and glossy on the top, while the underside is pale and hairy. They turn a yellowish-brown in the fall before dropping from the tree. The texture of the leaves is smooth and firm, with a leathery feel that makes them durable and resistant to damage from insects and disease.

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The Bur Oak produces large acorns that are up to 2 inches long and 1 inch wide. They have a distinct fringed cap that covers the nut and hangs down on the stem. The acorns take two years to mature, with the first year producing a small, immature acorn that falls off the tree. The mature acorns are an important food source for many wildlife species, including deer, squirrels, and birds.


The bark of a Bur Oak is thick and deeply furrowed, with a dark gray or brown color. The furrows are wide and irregular, giving the tree a rugged and textured appearance. As the tree ages, the bark becomes more rough and deeply furrowed, with a characteristic blocky pattern that is unique to the Bur Oak.


The Bur Oak is a popular tree for landscaping, as it provides ample shade and shelter for wildlife. Its large size and sturdy branches make it a popular choice for parks, golf courses, and other public areas. The wood of the Bur Oak is strong and durable, making it ideal for use in furniture, flooring, and construction.

Conclusion Identifying the leaves of a Bur Oak can be a fun and educational experience for anyone interested in trees and nature. By examining the shape, size, color, and texture of the leaves, as well as the acorns and bark, you can learn to recognize this iconic North American tree. The Bur Oak is a symbol of strength, resilience, and natural beauty, and it continues to play an important role in our environment and culture today.