''Acacia synantha'', also known as sandstone synchronous wattle,
is a tree or 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''. It is native to a small area in the
Kimberley
Kimberly or Kimberley may refer to:
Places and historical events
Australia
* Kimberley (Western Australia)
** Roman Catholic Diocese of Kimberley
* Kimberley Warm Springs, Tasmania
* Kimberley, Tasmania a small town
* County of Kimberley, a ...
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 ...
.
Description
The glabrous shrub has an erect habit and typically grows to a height of around . It has angled to flattened brownish grey coloured branchlets that are resin ribbed. The dull green
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 become greyish with age. The phyllodes have an elliptic to ovate-elliptic shape with a length of and a width of and have four to seven longitudinal nerves.
[ The simple ]inflorescence
An inflorescence is a group or cluster of flowers arranged on a stem that is composed of a main branch or a complicated arrangement of branches. Morphologically, it is the modified part of the shoot of seed plants where flowers are formed o ...
s occur in groups of two to five are situated in the axils of new phyllodes. The spikes have a length of and the flowers are widely spaced.[
]
Distribution
The shrub 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 a small area of the western Kimberley region and is found in only three separate populations scattered over an area of approximately in the northern part of the Prince Regent National Park
Prince Regent National Park, formerly the Prince Regent Nature Reserve, is a protected area in the Kimberley region of Western Australia. In 1978 the area was nominated as a UNESCO World Biosphere Reserve.
Land
The national park covers a tot ...
.[
]
See also
* List of ''Acacia'' species
References
{{Taxonbar, from=Q24190399
synantha
Acacias of Western Australia
Plants described in 2013
Taxa named by Bruce Maslin
Taxa named by Russell Lindsay Barrett
Taxa named by Matthew David Barrett