''Acacia tratmaniana'' 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 ''Juliflorae'' 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 dense and erect shrub typically grows to a height of .
[ The sericeous branchlets have resinous ribs. Like many 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 ascending or spreading phyllodes are shallowly to moderately incurved and quadrangular in cross section. The slender and glabrous phyllodes have a length of and a width of with a broad nerve along each angle.[ It blooms from July to September producing yellow flowers.][
]
Distribution
It is native to an area in the Wheatbelt 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 ...
where it is often situated on rocky ridges, flats and salt flats where it grows in sandy or sandy loam soils often with lateritic
Laterite is both a soil and a rock type rich in iron and aluminium and is commonly considered to have formed in hot and wet tropical areas. Nearly all laterites are of rusty-red coloration, because of high iron oxide content. They develop by ...
gravel.Wongan Hills
Wongan Hills is a range of low flat-topped hills in the Avon Wheatbelt bioregion of Western Australia. It is located at , in the Shire of Wongan–Ballidu.
History
The range was first recorded in 1836 by Surveyor General of Western Australia Jo ...
and Mukinbudin in the north down to around Pingelly and Hyden in the south with disjunct populations around Geraldton.
See also
* List of ''Acacia'' species
References
{{Taxonbar, from=Q9569961
tratmaniana
Acacias of Western Australia
Plants described in 1904
Taxa named by William Vincent Fitzgerald