Populus tremuloides

Populus tremuloides, also known as the quaking aspen, is a deciduous tree native to cooler areas of North America. It is a member of the Salicaceae family and is most notable for its trembling leaves, which have given the tree its common name.

Description

The Populus tremuloides is a medium-sized tree, typically reaching heights of 20–25 m (66–82 ft). The bark is smooth, colored greenish-white to gray, and is marked by thick black horizontal scars and prominent black knots. The leaves of the Populus tremuloides are nearly round, 4–8 cm in diameter with small rounded teeth, and a 3–7 cm long, flattened petiole. The leaves shake or tremble, even in the slightest breeze, due to the flat petiole.

Distribution and habitat

Populus tremuloides is the most widely distributed tree in North America, being found from Canada to central Mexico. It is generally found at high altitudes and in areas where there is plenty of sunlight and well-drained soil. It is a pioneer species, often found in disturbed areas such as burn scars or landslides.

Ecology

The Populus tremuloides plays a key role in its ecosystem. It provides food and habitat for a variety of wildlife, including elk, deer, and various birds. Its root system also helps to stabilize the soil, preventing erosion.

Uses

The wood of the Populus tremuloides is light, soft, and has a low flammability. It is used for products such as paper, pallets, and particleboard. The tree is also popular in landscaping due to its attractive appearance and fast growth.

Conservation

While the Populus tremuloides is not currently considered threatened, it faces several challenges. These include climate change, which may alter its habitat, and pests such as the aspen leaf miner and the bronze poplar borer.

See also

• List of Populus species
• Forestry
• Conservation biology

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  Aspen catkins in Elko, Nevada

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  Trembling aspen

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  Reflection of tree

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  Quaking fall colors

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  Populus tremuloides

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  Aspens showing autumn foliage in Lamoille Canyon, Nevada