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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 petraea
Name

Acacia petraea Pedley
References

Contrib. Queensl. Herb. 15: 14 (1974).

Acacia petraea, commonly known as lancewood,[1] is a shrub or tree belonging to the genus Acacia and the subgenus Juliflorae that is native to north eastern Australia.

Description

The shrub or tree typically grows to a maximum height of around 10 m (33 ft). It has grey-brown coloured and longitudinally stringy bark and angular yellow-brown to purplish brown branchlets that are lightly haired when young but later become glabrous. Like most species of Acacia it has phyllodes rather than true leaves. The coriaceous and evergreen phyllodes have a linear shape and are straight to slightly curved with a length of 13.5 to 26 cm (5.3 to 10.2 in) and a width of 2 to 6 mm (0.079 to 0.236 in). The phyllodes taper to a point and are inconspicuously multistriate with a barely discernible midnerve and eight to ten minor nerves per millimetre. It blooms between May and September producing golden flowers.[2]
Taxonomy

The specific epithet is in reference to the rocky habitat in which the species is found.[1]
Distribution

It is endemic to south western parts of Queensland on and around the Grey Range where it is often situated on lateritic scarps and ridge-tops growing in rocky soils[2] as a part of savannah, heath or open woodland communities. The distribution is quite fragmented with outlying populations found in the Gregory South and Warrego districts and near the border with New South Wales.[1]
See also

List of Acacia species

References

Malcolm, P. (2012). "Acacia petraea". IUCN Red List of Threatened Species. 2012: e.T19892264A20122397. doi:10.2305/IUCN.UK.2012.RLTS.T19892264A20122397.en. Retrieved 20 November 2021.
"Acacia petraea". WorldWideWattle. Western Australian Herbarium. Retrieved 9 December 2019.

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Biology Encyclopedia

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