''Acacia rostellata'' is a shrub of the genus ''
Acacia
''Acacia'', commonly known as the wattles or acacias, is a large genus of shrubs and trees in the subfamily Mimosoideae of the pea family Fabaceae. Initially, it comprised a group of plant species native to Africa and Australasia. The genus na ...
'' and the subgenus ''Phyllodineae'' that is
endemic
Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsew ...
to south western
Australia
Australia, officially the Commonwealth of Australia, is a Sovereign state, sovereign country comprising the mainland of the Australia (continent), Australian continent, the island of Tasmania, and numerous List of islands of Australia, sma ...
Description
The low, spreading pungent shrub typically grows to a height of
[ it usually has many branches with pungent and hairy branchlets. Like most species of ''Acacia'' it has ]phyllode
Phyllodes are modified petioles or leaf stems, which are leaf-like in appearance and function. In some plants, these become flattened and widened, while the leaf itself becomes reduced or vanishes altogether. Thus the phyllode comes to serve the ...
s rather than true leaves. The hairy evergreen phyllodes have an inequilaterally obtriangular to obdeltate shape with a length of and a width of with a more or less prominent main nerve.[
]
Distribution
It is native to an area in the Wheatbelt, Goldfields-Esperance and Great Southern regions of Western Australia
Western Australia (commonly abbreviated as WA) is a state of Australia occupying the western percent of the land area of Australia excluding external territories. It is bounded by the Indian Ocean to the north and west, the Southern Ocean to th ...
growing in sand, sandy gravel or clay soils.Bruce Rock
Bruce Rock is a town in the eastern Wheatbelt region of Western Australia, approximately east of Perth and southwest of Merredin. It is the main town in the Shire of Bruce Rock.
History
Originally known as Nunagin or Noonegin, the name of ...
in the north down to near Ongerup in the south and out as far as Lake King
Lake King is a town in the eastern Wheatbelt region of Western Australia, from Perth along State Route 40 between Kelmscott and Ravensthorpe. As of 2016, the town had a population of 95. The 2011 census recorded both the population of the tow ...
and Speddingup in the east. It is usually part of the heath under-storey open ''Eucalyptus
''Eucalyptus'' () is a genus of over seven hundred species of flowering trees, shrubs or mallees in the myrtle family, Myrtaceae. Along with several other genera in the tribe Eucalypteae, including '' Corymbia'', they are commonly known as euca ...
'' scrubland communities.[
]
See also
* List of ''Acacia'' species
References
{{Taxonbar, from=Q15288927
rostellata
Acacias of Western Australia
Taxa named by Bruce Maslin
Plants described in 1999