Acacia prainii

Last updated

Prain's wattle
Transactions and proceedings and report of the Philosophical Society of Adelaide, South Australia (1920) (14783003765).jpg
Sketch of A. prainii in Philosophical Society of Adelaide report.
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Fabales
Family: Fabaceae
Subfamily: Caesalpinioideae
Clade: Mimosoid clade
Genus: Acacia
Species:
A. prainii
Binomial name
Acacia prainii
Acacia prainiiDistMap712.png
Occurrence data from AVH
Synonyms [1]

Acacia prolifera

Acacia prainii, commonly known as Prain's wattle, is a shrub or tree belonging to the genus Acacia and the subgenus Phyllodineae endemic to Australia.

Contents

Description

The erect and bushy shrub or tree typically grows to a height of 1.0 to 3.0 metres (3 to 10 ft). [2] It has angled branchlets with fine yellow ribs. The ascending to erect pungent smooth phyllodes have a linear shape and are flat with a length of 2 to 11 centimetres (0.8 to 4.3 in) and 0.5 to 3 millimetres (0.020 to 0.118 in) wide and have prominent midrib and marginal nerves. [3] It blooms from July to October and produces yellow flowers. [2] The inflorescences appear on three to seven headed racemes, the showy spherical flower heads contain 10 to 24 light golden flowers. After flowering curved seed pods form that are rounded over seeds and have a length of around 8.5 cm (3 in) and a width of 5 to 7 mm (0.197 to 0.276 in) long. The shiny black seeds within have an oblong-elliptic to ovate shape and are 3.5 to 6 mm (0.138 to 0.236 in) in length. [3]

Taxonomy

The species was first formally described by the botanist Joseph Maiden in 1917 as part of the Journal and Proceedings of the Royal Society of New South Wales. It was reclassified by Leslie Pedley in 2003 as Racosperma prainii then transferred back to the genus Acacia on 2006. Other synonyms include Acacia prolifera, [1] Acacia prainii var. linearis, Acacia dentifera var. parvifolia and Acacia prainii Maiden var. prainii. [4]

Distribution

It has a scattered distribution through an area in the northern and eastern Wheatbelt, Pilbara and Goldfields-Esperance regions of Western Australia where it grows in red sandy, loamy and stony soils. [2] Its range extends into western South Australia and the Northern Territory where it is part of open mallee, Eucalyptus woodlands or spinifex communities. [3]

See also

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References

  1. 1 2 "FloraBase Name Currency Search: Acacia prolifera". FloraBase . Retrieved 2018-12-19.
  2. 1 2 3 "Acacia prainii". FloraBase . Western Australian Government Department of Biodiversity, Conservation and Attractions.
  3. 1 2 3 "Acacia prainii". World Wide Wattle. Western Australian Herbarium . Retrieved 3 October 2018.
  4. ↑ "Acacia prainii Maiden". Atlas of Living Australia. Global Biodiversity Information Facility . Retrieved 3 October 2018.
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