Acacia mearnsii

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Acacia mearnsii De Wild.

Fabaceae

Life form: tree
Usage: economic plant

  9

Arrangement: alternate
Leaves: evergreen

Shape: ovate

Division: bipinnate

Shape: globose
Fruit: legume

3D / efe981 

Inflorescence: panicle

Petals: single
Habit: not specified

Canopy: rounded to broadly spreading

Taxonomy

Divisio:
Magnoliophyta
Subdivisio:
Magnoliophytina
Classis:
Rosopsida
Subclassis:
Rosidae
Superordo:
Fabanae
Ordo:
Fabales

Acacia mearnsii, commonly known as black wattle, is a tree.

Naming

Acacia mearnsii was described by Émile Auguste Joseph De Wildeman in 1925. The name is considered as validly published.

Taxonomy

Acacia mearnsii is a species in the genus Acacia which contains approximately 1550 to 1852 species and belongs to the family of the Fabaceae (Legume Family).

Characteristics

Growth

The trees have a rounded to broadly spreading canopy and reach heights of 8 to 20 metres.

Wood and Bark

Leaves

Acacia mearnsii is evergreen. The mid-green, bipinnate leaves are alternate. The leaflets are ovate and have entire margins.

Flowers and Fruits

Acacia mearnsii produces panicles of ligth-yellow globose flowers from January to April.

The trees produce legumes.

Root System

Distribution

Acacia mearnsii is native to Queensland, New South Wales, Victoria and Tasmania and is naturalized in Portugal, Spain and Italy.

Cultivation

The trees tolerate temperatures down to -7°C (USDA zone 9).

Uses

Maintenance and Propagation

Cultivars

Pests and Diseases

Literature

  • Walter Erhardt, Erich Götz, Nils Bödeker, Siegmund Seybold: Der große Zander. Eugen Ulmer KG, Stuttgart 2008, ISBN 978-3-8001-5406-7. (Ger.)
  • Christoper Brickell (Editor-in-chief): RHS A-Z Encyclopedia of Garden Plants. Third edition. Dorling Kindersley, London 2003, ISBN 0-7513-3738-2.

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