Valley Oak trees are endemic to California and one of the largest US oak species. These trees are deciduous and typically found in the Pacific Northwest. Oregon White Oak trees are also commonly referred to as Garry oaks. They are especially recognizable during the fall when their leaves turn yellow, bronze and reddish-purple. Swamp White Oak trees are deciduous trees native to the northeastern US. The Cornish oak tree is native to most of Europe and is also the national tree of Ireland. The white oak tree group includes the following oak trees:Įnglish oaks are a lesser-known species in the US, as they mainly form part of forests and other landscapes in the UK. Pin oak trees lose their triangular shape over time and become rounded as it matures. This type of oak tree is typically found in the eastern regions of the US and its acorns are known to support several species of wildlife. Some types of oak trees that grow here are evergreen while others are deciduous. Dark green on top and paler at the bottom with fine hairs.īoth red oak and white oak trees are found in the US. Dark yellow-green leaves.Ģ.5 – 5 inches in length with wavy margins and a pale-colored bottom side.Ģ-6 inches long and 1-3 inches broad with deep lobes totaling up to 7. Just over 7 inches long and 4 inches wide, the leaves are broad with shallow lobes totaling 10-15 on each margin.
Leaves are oddly shaped with three terminal lobes and hair underneath. These leaves are usually hairless.Ĩ inches long and wide with a flare from the base ending in a three-lobed bell shape. Each lobe contains up to 7 teeth ending in bristles.
Just over 6 inches in length and 5 inches wide with deep sinuses. The leaves are lobed with either five or seven lobes. Ovoid broad in shape, up to 7 inches long and 4 inches wide. The two-thirds basal is usually deeply lobed and the apical third is wide with large teeth. Up to 6 inches in length and 2-5 inches wide, with lobed margins. These leaves are untoothed and unlobed and have a bright green upper side and pale green bottom side. 4 inches long, 2 inches wide.Ģ-4 inches long, 1 inch wide. Leaves can vary widely as some are rounded and simple while others are three-lobed and end in bristles. These leaves usually have a leathery texture.ĥ-7 deeply lobed leaves, and U-shaped sinuses. Upper side of the leaf is dark green and the bottom side is gray-green. Simple, solid, narrow leaves in an elliptical shape. Leaves are 5-10 inches long, 3-8 inches wide and are dark green on top and pale at the bottom. The below oak tree leaf identification chart indicates the comparison and identification of oak tree leaves between the different species of oak trees: Type of Oak Treesĥ-7 bristle-tipped lobes, either deep or shallow. The following list outlines some of the most common varieties. When identifying an Oak tree, the leaves offer clear indicators of the species. It has been estimated that around 31% of global oak tree species are threatened with extinction due to climate change, disease, pests, deforestation, and urbanization. In modern times, oak tree wood is popularly used in the manufacturing of high-end furniture and veneers. Oak trees are strong and were a preferred material in the construction of ships in Viking times. Out of these acorns, only 1 in 10,000 grow into an oak tree.Īround the world, more than 600 species of oak trees grow, including over 100 species in China and 160 species in Mexico. Oak trees have existed for 65 million years, and a single oak tree can produce around 10 million acorns during its lifespan. Mature oak trees can reach heights of around 148 feet and can live up to 1,000 years. There are around 90 different species of native Oak tree species that grow in North America, and you can use an oak tree leaf identification chart to spot them.
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