''Acacia imparilis'' is a shrub belonging to 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 erect pungent shrub typically grows to a height of
[ It has slender and pubescent stems with linear to triangular shaped stipules that have a length of . 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 evergreen, ascending to erect phyllodes have an inequilaterally narrowly oblong to obovate or oblanceolate shape and are usually shallowly sigmoid. The phyllodes are typically in length with a width of .[ It produces cream-yellow flowers in October.][
]
Distribution
It is native to an area in the Great Southern region 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 ...
from around Cranbrook to Mount Barker where it is commonly situated on rocky hillsStirling Range
The Stirling Range or Koikyennuruff is a range of mountains and hills in the Great Southern region of Western Australia, south-east of Perth. It is over wide from west to east, stretching from the highway between Mount Barker and Cranb ...
[
]
See also
* List of ''Acacia'' species
References
{{Taxonbar, from=Q9565493
imparilis
Acacias of Western Australia
Taxa named by Bruce Maslin
Plants described in 1999