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Populus tremuloides is a deciduous tree native to cooler areas of North America, one of several species referred to by the common name aspen.It is commonly called quaking aspen, [2] [3] [4] trembling aspen, [2] [3] American aspen, [3] mountain or golden aspen, [5] trembling poplar, [5] white poplar, [5] and popple, [5] as well as others. [5]
They are all medium-sized deciduous trees reaching 15–30 m (50–100 ft) tall. In North America, the aspen is referred to as quaking aspen or trembling aspen because the leaves "quake" or tremble in the wind. This is due to their flattened petioles which reduce aerodynamic drag on the trunk and branches. Aspen trees near Crested Butte, Colorado
Quaking aspen (Populus tremuloides) is the predominant species in aspen stands in the Great Lakes region, but bigtooth aspen dominates on drier, upland sites. Aspen stands dominated by bigtooth aspens are generally more open than those dominated by quaking aspens. It is more disease resistant than P. tremuloides.
Populus is a genus of 25–30 species of deciduous flowering plants in the family Salicaceae, native to most of the Northern Hemisphere.English names variously applied to different species include poplar (/ ˈ p ɒ p l ər /), aspen, and cottonwood.
Michigan: Eastern white pine: Pinus strobus: 1955 [30] Minnesota: Red pine (aka Norway pine) Pinus resinosa: 1953 [31] Mississippi: Southern magnolia: Magnolia grandiflora: 1952 [32] Missouri: Flowering dogwood: Cornus florida: 1955 [33] Montana: Ponderosa pine: Pinus ponderosa: 1949 [34] Nebraska: Eastern cottonwood: Populus deltoides: 1972 ...
[citation needed] These trees are all medium-sized deciduous trees ranging 15–30 metres (49–98 ft) tall. All of the species in section Populus typically grow in large clonal colonies derived from a single seedling, and spreading by means of root suckers ; new stems in the colony may appear at up to 30–40 metres from the previous trees.
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Pando, a colony of quaking aspen, is one of the oldest-known clonal trees. Recent estimates of its age range up to 14,000 years old, and 18,000 years by the latest (2024) estimate. [1] It is located in Utah, United States. This is a list of the oldest-known trees, as reported in reliable sources. Definitions of what constitutes an individual ...