''Acacia concurrens'', commonly known as curracabah or black wattle, is a shrub native to

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_ ...

in eastern

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 ...

. Formerly known as ''Acacia cunninghamii'', the new name ''Acacia concurrens'' describes the converging primary veins on the phyllodes. It is very similar to Acacias such as ''

Acacia leiocalyx ''Acacia leiocalyx'' (black wattle, early flowering black wattle, lamb's tail wattle, curracabah) grows in Queensland, Australia and as far south as Sydney. It is widespread and common in eucalypt woodlands, especially on well-drained, shallow ...

'' and '' Acacia disparrima''.

Description

The shrub can grow as high as but is typically smaller. The glossy 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 have an obliquely obovate shape with the lower margin that is almost straight. It has fissured and fibrous, grey-black coloured bark and stout, angular branchlets The phyllodes have a length of up to . It blooms between March and September producing rod shaped flowers are bright yellow that are found in pairs in the leaf axils. The flower-spikes are around in length. The linear, slightly moniliform, semicircular

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 form after flowering are in length. The pods contain brownish black seeds with an elliptic shape that are in length.

Taxonomy

The species was first formally described by the botanist

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 ...

in 1974 as part of the work ''Contributions from the Queensland Herbarium ''. It was reclassified as ''Racosperma concurrens'' in 1986 by Pedley then transferred back to genus''Acacia'' in 2001.

Distribution

It 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 an area from south eastern

in the north to northern

New South Wales ) , nickname = , image_map = New South Wales in Australia.svg , map_caption = Location of New South Wales in AustraliaCoordinates: , subdivision_type = Country , subdivision_name = Australia , established_title = Before federation , es ...

in the south where it is common in coastal areas from around the

Mooloolah River The Mooloolah River is a river in South East Queensland, Australia. The river rises from the eastern slopes of the Blackall Range and flows east-northeast, similar to the Maroochy River to the north. The mouth of the river is at southern Moolool ...

in Queensland down to the

Hastings River Hastings River ( Birpai: ''Doongang''), an open and trained intermediate wave dominated barrier estuary, is located in the Northern Tablelands and Mid North Coast districts of New South Wales, Australia. Course and features Hastings River rise ...

in New South Wales on hillsides or plateaux growing in sandy or stony sandy loams often over

shale Shale is a fine-grained, clastic sedimentary rock formed from mud that is a mix of flakes of clay minerals (hydrous aluminium phyllosilicates, e.g. kaolin, Al2 Si2 O5( OH)4) and tiny fragments (silt-sized particles) of other minerals, especial ...

as part of the understorey in ''

Eucalyptus ''Eucalyptus'' () is a genus of over seven hundred species of flowering trees, shrubs or mallees in the myrtle family, Myrtaceae. Along with several other genera in the tribe Eucalypteae, including '' Corymbia'', they are commonly known as euca ...

'' forest communities.

References

{{Taxonbar, from=Q2822198 Flora of Queensland Flora of New South Wales concurrens Taxa named by Leslie Pedley Plants described in 1974

Description

Taxonomy

Distribution

See also

References