Acacia argutifolia

Acacia argutifolia, commonly known as the East Barrens wattle,[1] is a shrub belonging to the genus Acacia and the subgenus Phyllodineae.

Acacia argutifolia

Priority Four — Rare Taxa (DEC)
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Fabales
Family: Fabaceae
Clade: Mimosoideae
Genus: Acacia
Species:
A. argutifolia
Binomial name
Acacia argutifolia
Occurrence data from AVH

Description

The low and spreading intricately branched shrub typically grows to a height of 0.2 to 0.7 metres (1 to 2 ft). It blooms from July to December and produces yellow flowers.[2] The pungent phyllodes are mostly patent with a straight or shallowly recurved shape. They are trigonous-terete approximately 6 to 13 millimetres (0.24 to 0.51 in) in length and 1 mm (0.04 in) wide. The branchlets are puberulous to hirsutellous with 1.5 to 2 mm (0.06 to 0.08 in) long stipules.[3] The inflorescences are simple with one per axil. The peduncles are 5 to 7 mm (0.20 to 0.28 in) long, the heads are globular containing 23 to 25 flowers that are pale yellow to cream in colour. Seed pods are biconvex and shallowly constricted between seeds. The pods are approximately 4 cm (1.57 in) long and 2 to 4 mm (0.08 to 0.16 in) wide and red-brown to dark brown in colour. The shrub is similar to Acacia simulans.[3]

Distribution

It is native to a small area in the Fitzgerald River National Park in Great Southern regions of Western Australia.[2] It grows in shallow sand over quartzite among low open heath, shrubland and mallee communities.[3]

Classification

The species was first formally described by the botanist Bruce Maslin in 1976 as part of the work Studies in the genus Acacia (Mimosaceae) - Miscellaneous new phyllodinous species published in the journal Nuytsia. The only known synonym is Racosperma argutifolium as described by Leslie Pedley in 2003.[1]

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See also

References
  1. "Acacia argutifolia Maslin". Atlas of Living Australia. Global Biodiversity Information Facility. Retrieved 9 April 2017.
  2. "Acacia argutifolia". FloraBase. Western Australian Government Department of Parks and Wildlife.
  3. "Acacia argutifolia Maslin, Nuytsia 2: 98; 97 fig. 1 (1976) East Barrens Wattle". World Wide Wattle. Government of Western Australia. Retrieved 9 April 2017.
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