''Acacia seclusa'', commonly known as saw range wattle,
[ is a small tree 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 northern 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 tree typically grows to a height of .[ The canopy has a spreading habit that is silvery to bluish in colour. The hard, grey bark is shallowly rimose. 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. It has narrowly-elliptic to narrowly-dimidiate shaped phyllodes that are straight with a length of and a width of . The coriaceous and sericeous phyllodes are grey-green; in colour and have many longitudinal nerves that are close together and three main 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 singly or in pairs in the axil
A leaf ( : leaves) is any of the principal appendages of a vascular plant stem, usually borne laterally aboveground and specialized for photosynthesis. Leaves are collectively called foliage, as in "autumn foliage", while the leaves, st ...
s or are racemose. The cylindrical flower-spikes have a length of with densely packed yellow to pale golden coloured flowers. Following flowering seed pod
This page provides a glossary of plant morphology. Botanists and other biologists who study plant morphology use a number of different terms to classify and identify plant organs and parts that can be observed using no more than a handheld magnify ...
s form that have a narrowly oblong shape and can be constricted between the seeds. The woody and grooved pods are sub-terete to slightly flattened and can be straight to slightly curved with a length of with a width of The glossy black seeds inside are elliptic to irregularly elliptic with a length of around and a width of .[
]
Distribution
It is native to a small area in the eastern 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 ...
where it is mostly found in riparian areas.[
]
See also
* List of ''Acacia'' species
References
{{Taxonbar, from=Q15288968
seclusa
Acacias of Western Australia
Plants described in 2003