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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
The Pando tree was identified in 1976 by Jerry Kemperman and Burton V. Barnes. [20] [21] A posthumous biography by Barnes' colleague, Daniel Kashian, [22] details Pando's discovery: As a part of his aspen work in the West, Burt began to examine an extremely large trembling aspen clone southwest of Fish Lake, Utah, in the late 1960s and early 1970s.
Aspen can reach an age of 200 years. [3] It is a very hardy species and tolerates long, cold winters and short summers. [citation needed] Aspen is resistant to browsing pressure by fallow deer owing to its unpleasant taste. [10] This species is important for the hornet moth, which uses it as a host during the larval stage. [citation needed]
Mature trembling aspen trees (Populus tremuloides) with young regeneration in foreground, in Fairbanks, AlaskaThe genus has a large genetic diversity, and can grow from 15–50 m (49–164 ft) tall, with trunks up to 2.5 m (8 ft) in diameter.
Trembling aspen is the popular name for either: Populus tremuloides (American) Populus tremula (Eurasian) Other uses: Trembling aspen (Konya), a tree in Turkey registered as a national natural monument
An initiative to save one of Scotland's most endangered species of tree has been launched in the Cairngorms National Park. Aspen provides a vital habitat for rare wildlife, plants and fungi and is ...
The Populus tremuloides ("trembling" or "quaking" aspen) is the dominant tree species of the parkland belt. Shown here in fall colours in west of Saskatoon, Saskatchewan. Four significantly different habitats are common in the aspen parklands: The fescue prairie, the woodlands, the ravines