''Acacia megalantha'' 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 northern Australia.
Description
The shrub typically growing to a height of
[ but can reach as high as . It has light grey bark and flattened branches towards the apices. The ]coriaceous
This glossary of botanical terms is a list of definitions of terms and concepts relevant to botany and plants in general. Terms of plant morphology are included here as well as at the more specific Glossary of plant morphology and Glossary o ...
and rigid 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 have a narrowly elliptic shape and are often oblique. Phyllodes are in length and wide usually with three prominent longitudinal nerves.[ The flower spikes are in length covered in fine golden flowers. After flowering pale and thick woody ]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 that are flat and straight-sided. Each pod is in length and wide. the light brown seeds within have an orbicular to broadly elliptic shape and a length of .[
]
Taxonomy
The species was first formally described by the botanist Ferdinand von Mueller
Baron Sir Ferdinand Jacob Heinrich von Mueller, (german: Müller; 30 June 1825 – 10 October 1896) was a German-Australian physician, geographer, and most notably, a botanist. He was appointed government botanist for the then colony of Vict ...
in 1859 as part of the work ''Contributiones ad Acaciarum Australiae Cognitionem'' published in the ''Journal of the Proceedings of the Linnean Society, Botany''. It was later reclassified as ''Racosperma megalanthum'' in 1987 by Leslie Pedley
Leslie Pedley (19 May 1930 – 27 November 2018)IPNILeslie Pedley/ref> was an Australian botanist who specialised in the genus ''Acacia''. He is notable for bringing into use the generic name ''Racosperma'', creating a split in the genus, which r ...
and transferred back to the genus ''Acacia'' in 2001.
Distribution
It is native to central Queensland
)
, nickname = Sunshine State
, image_map = Queensland in Australia.svg
, map_caption = Location of Queensland in Australia
, subdivision_type = Country
, subdivision_name = Australia
, established_title = Before federation
, established_ ...
around Mount Isa
Mount Isa ( ) is a city in the Gulf Country region of Queensland, Australia. It came into existence because of the vast mineral deposits found in the area. Mount Isa Mines (MIM) is one of the most productive single mines in world history, bas ...
, through Arnhem Land
Arnhem Land is a historical region of the Northern Territory of Australia, with the term still in use. It is located in the north-eastern corner of the territory and is around from the territory capital, Darwin. In 1623, Dutch East India Compan ...
in the Northern Territory
The Northern Territory (commonly abbreviated as NT; formally the Northern Territory of Australia) is an states and territories of Australia, Australian territory in the central and central northern regions of Australia. The Northern Territory ...
[ and 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 ...
and grows in sandy soils on sandstone, around boulders and on rocky slopes.
See also
* List of ''Acacia'' species
References
{{Taxonbar, from=Q15287785
megalantha
Acacias of Western Australia
Flora of the Northern Territory
Flora of Queensland
Plants described in 1859
Taxa named by Ferdinand von Mueller