''Acacia deanei'' (Deane's wattle, green wattle;

syn. The Botanical and Zoological Codes of nomenclature treat the concept of synonymy differently. * In botanical nomenclature, a synonym is a scientific name that applies to a taxon that (now) goes by a different scientific name. For example, Linnae ...

''Acacia paucijuga'' Wakef. ''Acacia deanei'' subsp. ''paucijuga'' ''Racosperma deanei'' (R.T.Baker) Pedley) is a tree native to Australia, which is useful for controlling soil

erosion Erosion is the action of surface processes (such as water flow or wind) that removes soil, rock, or dissolved material from one location on the Earth's crust, and then transports it to another location where it is deposited. Erosion is distin ...

. There are two subspecies: ''Acacia deanei'' subsp. ''deanei'' and ''Acacia deanei'' subsp. ''paucijuga''.

Description

The shrub or tree has a spreading to erect habit and typically grows to height of and has smooth grey-brown to green coloured bark. It has angled to terete ridged branchlets with tiny yellow to whitish hairs. The

pinnate Pinnation (also called pennation) is the arrangement of feather-like or multi-divided features arising from both sides of a common axis. Pinnation occurs in biological morphology, in crystals, such as some forms of ice or metal crystals, and in ...

leaves have ten to twelve pairs of pinnae that are in length with 7 to 45 pairs of

pinnule A leaflet (occasionally called foliole) in botany is a leaf-like part of a compound leaf. Though it resembles an entire leaf, a leaflet is not borne on a main plant stem or branch, as a leaf is, but rather on a petiole or a branch of the leaf. Co ...

s that have an oblong to linear shape and have a length of and a width of . It blooms throughout the year producing

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 situated in the terminal and axillary racemes and panicles. the spherical flower-heads have a diameter of and contain 15 to 30 cream-coloured to pale yellow or occasionally yellow flowers. The

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 flat and straight to curved and constricted between seeds. The leathery pods are in length and in width .

Taxonomy

The species was first formally described in 1932 in the ''Journal and Proceedings of the Royal Society of New South Wales''. It was reclassified as ''Racosperma deanei'' in 1986 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 ...

then transferred back to genus ''Acacia'' in 2001. The only other synonym is ''Acacia decurrens'' var. ''deanei''. The

specific epithet In taxonomy, binomial nomenclature ("two-term naming system"), also called nomenclature ("two-name naming system") or binary nomenclature, is a formal system of naming species of living things by giving each a name composed of two parts, bot ...

honours Henry Deane, who was a railway engineer and amateur botanist, who collected the type specimen. ''A. deanei'' is similar in appearance and often mistaken for ''

Acacia mearnsii ''Acacia mearnsii'', commonly known as black wattle, late black wattle or green wattle, is a species of flowering plant in the family Fabaceae and is endemic to south-eastern Australia. It is usually an erect tree with smooth bark, bipinnate lea ...

'' and ''

Acacia parramattensis ''Acacia parramattensis'', commonly known as Parramatta wattle, is a tree of the family Fabaceae native to the Blue Mountains (Australia), Blue Mountains and surrounding regions of New South Wales. It is a tall shrub or tree to about in height ...

''. There are two

subspecies In biological classification, subspecies is a rank below species, used for populations that live in different areas and vary in size, shape, or other physical characteristics (morphology), but that can successfully interbreed. Not all species ...

: * ''Acacia deanei'' (R.T.Baker) M.B.Welch, Coombs & McGlynn subsp. ''deanei'' known as Deane's wattle * ''Acacia deanei'' subsp. ''paucijuga'' (F.Muell. ex N.A.Wakef.) Tindale.

Distribution

The plant 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 eastern Australia through

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_ ...

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 ...

and

Victoria Victoria most commonly refers to: * Victoria (Australia), a state of the Commonwealth of Australia * Victoria, British Columbia, provincial capital of British Columbia, Canada * Victoria (mythology), Roman goddess of Victory * Victoria, Seychelle ...

. It is found in a variety of habitat often as a part of

sclerophyll forest Sclerophyll is a type of vegetation that is adapted to long periods of dryness and heat. The plants feature hard leaves, short internodes (the distance between leaves along the stem) and leaf orientation which is parallel or oblique to direct ...

communities growing in a range of different soil types. It is common through inland parts of southern Queensland, and central arts of both New south Wales and Victoria.

References

External links

FAO: ''Acacia deanei''
{{Taxonbar, from=Q4670921 deanei Trees of Australia Fabales of Australia Flora of Victoria (state) Plants described in 1932

Description

Taxonomy

Distribution

See also

References

External links