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Classification System: APG IV

Superregnum: Eukaryota
Regnum: Plantae
Cladus: Angiosperms
Cladus: Eudicots
Cladus: Core eudicots
Cladus: Rosids
Cladus: Eurosids I
Ordo: Fabales

Familia: Fabaceae
Subfamilia: Caesalpinioideae
Tribus: Acacieae
Genus: Acacia
Species: Acacia improcera

Acacia improcera Maslin

Nuytsia 12(3): 359 (1999).

Acacia improcera is a shrub belonging to the genus Acacia and the subgenus Phyllodineae that is endemic to south western Australia.


The spreading spiny shrub typically grows to a height of 0.15 to 0.4 metres (0.5 to 1.3 ft)[1] It has striately ribbed branches with a waxy white coloured residue between the ribs. It has short, straight and rigid branchlets that are patent to inclined and spinose. Like most species of Acacia it has phyllodes rather than true leaves. The evergreen phyllodes have an obliquely ovate to elliptic shape with a length of 3 to 6 mm (0.12 to 0.24 in) and a width of 1.5 to 3.5 mm (0.059 to 0.138 in) and have a barely prominent midrib with few or no lateral nerves.[2] It produces yellow flowers in August.[1]

It is native to an area in the Goldfields-Esperance region of Western Australia where it is often situated on undulating plains and flats growing in loamy clay or clay soils.[1] The bulk of the population is found around Lake King in the west to around the Bremer Range, about 100 km (62 mi) south west of Norseman in the east and doen to around Ravensthorpe and near Sheoak Hill in the south in transitional areas between heathland and shrub mallee communities.[2]
See also

List of Acacia species


"Acacia improcera". FloraBase. Western Australian Government Department of Biodiversity, Conservation and Attractions.
"Acacia improcera Maslin". Wattle - Acacias of Australia. CSIRO publishing. Retrieved 17 June 2020.

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