Acacia aneura

Acacia aneura

Acacia aneura habit

Acacia aneura, commonly known as mulga, is a species of shrub or small tree in the genus Acacia. It is native to Australia and is found predominantly in arid and semi-arid regions. Acacia aneura is an important species in the mulga ecosystem and is well adapted to survive in harsh environmental conditions.

Description

Acacia aneura typically grows as a shrub or small tree, reaching heights of 3 to 10 meters. The bark is dark grey to black and is deeply fissured. The phyllodes, which are modified leaves, are narrow and linear, ranging from 4 to 10 cm in length. These phyllodes are adapted to reduce water loss in arid environments.

The flowers of Acacia aneura are bright yellow and occur in cylindrical spikes. Flowering usually occurs after significant rainfall. The seed pods are flat and linear, containing several hard seeds that are dispersed by wind and animals.

Distribution and Habitat

Acacia aneura is widespread across the arid and semi-arid regions of Australia, particularly in Western Australia, the Northern Territory, South Australia, and Queensland. It is commonly found in mulga woodlands, which are characterized by the dominance of Acacia aneura and other Acacia species.

The species thrives in a variety of soil types, including sandy, loamy, and clay soils. It is well adapted to survive in areas with low and erratic rainfall, high temperatures, and poor soil fertility.

Ecological Importance

Acacia aneura plays a crucial role in its ecosystem. It provides habitat and food for a wide range of fauna, including birds, insects, and mammals. The leaves and seeds are a food source for many herbivores, while the flowers attract pollinators.

The species also contributes to soil stabilization and nutrient cycling in its environment. The nitrogen-fixing ability of Acacia aneura helps improve soil fertility, benefiting other plant species in the area.

Uses

Acacia aneura has been used by Indigenous Australians for various purposes. The wood is hard and durable, making it suitable for crafting tools and weapons. The seeds are edible and can be ground into flour.

In modern times, Acacia aneura is valued for its use in land rehabilitation and erosion control due to its ability to thrive in poor soil conditions and stabilize the soil.

Related Pages

• Acacia
• Mulga
• Australian flora
• Nitrogen fixation

Gallery

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  Acacia aneura var. aneura

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  Mulga

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  Acacia aneura pods

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  Acacia aneura bark

• Mulga heath.jpg

  Mulga heath

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  Acacia aneura woodland

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  Acacia aneura habit

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  Acacia aneura var. aneura

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  Mulga

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  Acacia aneura pods

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  Acacia aneura bark

• Mulga heath.jpg

  Mulga heath

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  Acacia anuera woodland Wilson River catchment south west Qld September 1991