Eucalyptus polybractea

Eucalyptus polybractea, commonly known as the Blue-leaved Mallee, is a species of mallee that is endemic to southeastern Australia. It is notable for its high cineole content in its essential oil, which is used in various medicinal and industrial applications.

Description

Eucalyptus polybractea is a mallee that typically grows to a height of 4–10 meters and forms a lignotuber. The bark is smooth, grey to brownish, and sheds in ribbons. The leaves are arranged alternately, lance-shaped to curved, and are a distinctive blue-grey color due to a waxy coating.

Taxonomy

The species was first formally described by the botanist Richard Thomas Baker in 1901. The specific epithet polybractea refers to the numerous bracts that are present in the flower buds.

Distribution and Habitat

Eucalyptus polybractea is found in the states of New South Wales and Victoria. It typically grows in mallee shrubland on sandy or loamy soils, often in areas with low rainfall.

Ecology

This species is adapted to survive in fire-prone environments. It regenerates from its lignotuber after fire and can also reproduce from seed. The flowers are white and attract a variety of pollinators, including insects and birds.

Uses

The essential oil extracted from the leaves of Eucalyptus polybractea is rich in cineole, also known as eucalyptol. This oil is used in pharmaceuticals, antiseptics, insect repellents, and aromatherapy. The wood is also used for fuel and charcoal production.

Conservation Status

Eucalyptus polybractea is not currently listed as threatened. However, its habitat is subject to pressures from land clearing and agricultural development.

Gallery

• Eucalyptus polybractea leaves.jpg

  Leaves of Eucalyptus polybractea

• Eucalyptus polybractea bark.jpg

  Bark of Eucalyptus polybractea

See also

• Eucalyptus
• Mallee
• Cineole
• Richard Thomas Baker

External links

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