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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
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]
Populus tremula (commonly called aspen, common aspen, Eurasian aspen, European aspen, or quaking aspen) [2] is a species of poplar native to cool temperate regions of the Old World. Description [ edit ]
In the West, Kevin Smith, a tree physiologist and pathologist with the U.S. Forest Service, told USA TODAY that the aspen trees in Colorado look good. "Colorado should be great," he said.
Earlier sources argued germination and successful establishment of aspen on new sites was rare in the last 10,000 years and therefore, Pando's root system was likely over 10,000 years old. [7] More recent observations, however, have shown seedling establishment of new aspen clones is a regular occurrence and can be abundant on sites exposed by ...
The threat to aspens is so great that researchers see a future where the trees no longer grow in the Southwest. A fast-moving infestation of tiny insects threatens the survival of Arizona's aspen ...
[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.
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 16,000 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 ...