![]() ![]() If the leaves are serrated, small, and only has 3 lobes it is most likely a rocky mountain maple. If its bark is smooth and tinted, it is either a vine or rocky mountain maple. Generally, I look at the height first if it is a really tall maple than it probably is a bigleaf maple. I hope these general characteristics of Maples endemic to Oregon will help people identify them. It doesn’t require as much moist and nutrient rich soil as the other maples, but it still is found in moister areas. Range: The Rocky mountain maple has a much larger range than the other maples endemic to Oregon, it can be found as far east as South Dakota and Nebraska, and as South as New Mexico. Rocky mountain maple leaves are more serrated than the other two endemic species and typically have three lobes.īark: Smooth with a greenish tinge, like vine maples.įruit: Green double samaras that form right angles, again very similar to vine maples but the samaras are typically smaller. Its margins are more serrated than the other endemic species, and the leaves grow 2″-5″ in diameter. Leaves: The leaves of this maple are simple, opposite, and palmately lobed with 3 lobes. Size: The smallest maple endemic to Oregon rarely reaches heights of 12’ and its trunk is usually less than 5” in diameter. Range: This maple grows more extensively than bigleaf maple because it can be found anywhere in the Pacific Northwest and like other maples prefers moist nutrient rich soil. Vine maple leaves are small and circular.įruit: Green double samaras that form short clusters. However, it differs from bigleaf maple because the leaves grow to be 2″-4″ in diameter and has a more circular shape than bigleaf maples. ![]() Leaves: The leaf shape is simple, opposite, and palmately lobed with 5-9 lobes (usually 7). It’s slenderer than bigleaf maple and can appear more shrub like. Size: The second tallest maple endemic to Oregon, on average it grows under 20’ and has several stems averaging three inches in diameter. Prefers well drained moist soil, as most maples do. Range: Grows mostly on the west side of the Cascades and Sierras from British Columbia through most of California. ![]() ![]() The leaf shape is simple, opposite, and palmately lobed (5 lobes) with the central lobe having a distinct “waist.” Bigleaf maple produces the largest leaves of any maple species.īark: Interlacing ridges and furrows, the color is reddish brown to grey.įruit: This maple will produce samaras joined in right angles and double clustered, with fine hairs growing on the seeds. Leaves: As its name would suggest this maple species has the largest leaves of any maple growing up to 5.9″–11.8″ in. Size: This species is one of the tallest maples in the world it can easily be identified because it can grow over 100’ tall and 4’ wide. To begin this report, we will start with how to identify the three native maple species endemics to Oregon bigleaf maple (Acer macrophyllum), vine maple (Acer circinatum), and rocky mountain maple (Acer glabrum). I didn’t realize that there were so few of the endemic maples growing around my area until I started looking, but there are certainly a lot of imported non-native maples around. Originally, I was only going to cover the three maple species endemic to Oregon, but by the request of Jeff I am going to include maple species that are common growing in suburban areas as non-native decorative plants. In my first report I discovered that there are roughly 125 species of maples identified in the world, 13 of which are found in North America, and only three are endemic to Oregon. Report #2 Individual Maple Identification ![]()
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