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{{Short description|Species of legume}}
{{Taxobox
{{Use dmy dates|date=July 2019}}
| name = New Guinea Wattle
{{Speciesbox
| regnum = [[Plantae]]
|image = Acacia aulacocarpa foliage and flowers.jpg
| divisio = [[Magnoliophyta]]
|status = LC
| classis = [[Magnoliopsida]]
|status_system = IUCN3.1
| ordo = [[Fabales]]
|status_ref = <ref name=IUCN>{{cite iucn |author=Jimbo, T. |author2=Eddowes, P. |year=2022 |title=''Acacia aulacocarpa'' |volume=2022 |page=e.T38360A198308262 |doi=10.2305/IUCN.UK.2022-1.RLTS.T38360A198308262.en |access-date=15 April 2023}}</ref>
| familia = [[Fabaceae]]
| genus = ''[[Acacia]]''
|genus = Acacia
| species = '''''A. aulacocarpa'''''
|species = aulacocarpa
|authority = [[A.Cunn.]] ex [[Benth.]]
| binomial = ''Acacia aulacocarpa''
|range_map = Acacia aulacocarpaDistMap82.png
| binomial_authority = [[Benth.]]
|range_map_caption = Occurrence data from [[Australasian Virtual Herbarium|AVH]]
}}
}}


'''''Acacia aulacocarpa''''', also known as '''New Guinea wattle'''<ref name=ildis/> or '''golden flowered salwood''',<ref name=www>{{cite web|url=http://worldwidewattle.com/speciesgallery/aulacocarpa.php|title=''Acacia aulacocarpa''|access-date=18 August 2018|work=World Wide Wattle|publisher=[[Western Australian Herbarium]]}}</ref> is an Australian shrub or tree in the family [[Fabaceae]]. It is found in northern Australia, [[Papua New Guinea]], [[Irian Jaya]] and parts of [[Indonesia]].<ref name=ildis>{{cite web|url=https://ildis.org/cgi-bin/Araneus.pl|title=''Acacia aulacocarpa''|publisher=International Legume Database & Information Service|year=2018}}</ref>
'''''Acacia aulacocarpa''''' ('''Brown salwood''', '''Brush ironbark wattle''', '''New Guinea Wattle''', [[syn.]] ''Acacia aulacocarpa'' [[Benth.]] [[var.]] ''fruticosa'' [[C.T.White]], ''Acacia aulacocarpa'' [[Benth.]] [[var.]] ''macrocarpa'' [[Benth.]], ''Acacia lamprocarpa'' [[O.Schwarz]], ''Acacia leucodendron'' [[Benth.]], ''Racosperma aulacocarpum'' ([[Benth.]]) [[Pedley]], ''Racosperma aulacocarpum'' ([[Benth.]]) [[Pedley]] [[var.]] ''fruticosum'' ([[C.T.White]]) [[Pedley]]) is a tree in the [[Fabaceae]] family.
Shrubs 0.5–2 m tall or small trees 2–8 (–15) m tall, single-stemmed or sparingly branched near base, crowns spreading and blue-green. Bark smooth except very shallowly rimose on trunks of largest trees. Branchlets acutely angled for 10–25 cm (occasionally more) below the apex, slender to sub-stout, glabrous. Phyllodes mostly dimidiate to subfalcate, (3–) 5–12.5 cm long, 0.7–3.5 cm wide, glabrous, subglaucous to glaucous with a slight sheen; longitudinal nerves numerous, close (3–4 per mm) and parallel, not anastomosing; pulvinus 4–8 (10) mm long. Inflorescences simple, 1–2 (–4) per axil; peduncles mostly 4–8 mm long, glabrous; spikes 2–5 (–6) cm long, bright golden. Flowers 5-merous; calyx shallowly dissected; ovary densely hairy. Pods 1.5–8 cm long, usually 0.8–1.5 cm wide, straight to shallowly curved, dehiscing along dorsal suture, woody, conspicuously resinous, reddish-brown, prominently nerved, the nerves broad, sharply defined, prominently raised, oblique to longitudinally oblique and sparingly anastomosing. Seeds oblique, ovoid to obloid or ellipsoid, 3.5–5 mm long, 2–3 mm wide; funicle/aril 2–6 mm long (unextended).


==Description==
Acacia aulacocarpa has a discontinuous distribution along coastal areas and adjoining tablelands of the Great Dividing Range in eastern Qld from the Mt. Windsor Tableland ( c. 25 km east of Daintree), to just south of Brisbane and into northern N.S.W. near Grafton. Recorded also from Qld continental islands of Hinchinbrook, North Keppel and Deloraine (Whitsunday Group) Islands. Despite its extensive distribution it is a relatively uncommon species as populations tend to be locally confined to creek banks or run-on sites near rock outcrops. Flowers Jan. – June
''Acacia aulacocarpa'' grows as a shrub with a height of {{cvt|0.5|to|2|m}} or as a small tree with a typical height of {{cvt|2|to|8|m}} but can reach heights of up to {{cvt|15|m}}. It tends to have a single stem but can have few branches near the base with a spreading crown. The majority of the bark is smooth but it is often cracked and fissured at the base of the taller trees. The acutely angled [[Glabrousness (botany)|glabrous]] branchlets are slender to sub-stout. Like most ''Acacias'' it has [[phyllode]] s rather than true leaves. The phyllodes have a dimidiate to sub[[falcate]] shape and are {{cvt|5|to|12|cm}} in length and {{cvt|0.7|to|3.5|cm}} wide and are glaucous with a slight sheen. The phyllodes have numerous parallel longitudinal nerves.<ref name=www/> It blooms between January and June.


==External links==
==Taxonomy==
The species was first formally described by the botanist [[George Bentham]] in 1842 as part of [[William Jackson Hooker]]'s work ''Notes on Mimoseae, with a synopsis of species'' as published in the ''London Journal of Botany''. It was reclassified as ''Racosperma aulacocarpum'' by [[Leslie Pedley]] in 1987 then transferred back to genus ''Acacia'' in 2006.<ref>{{cite web|url=https://bie.ala.org.au/species/http://id.biodiversity.org.au/node/apni/2901923#names|title=''Acacia aulacocarpa'' A.Cunn. ex Benth.|access-date=18 August 2019|work=Atlas of Living Australia|publisher=[[Global Biodiversity Information Facility]]}}</ref>
*[http://www.ildis.org/LegumeWeb?version~10.01&LegumeWeb&tno~23508&genus~Acacia&species~aulacocarpa ''Acacia aulacocarpa'']

==Distribution==
⚫
[[Category:Acacia|Aulacocarpa, Acacia]]
''Acacia aulacocarpa'' occurs naturally east of the [[Great Dividing Range]] from northern [[Queensland]] to northern New South Wales. Despite the widespread distribution of the species it is not very common as populations tend to be locally restricted to run-off sites around rocky outcrops or along creek banks.<ref name=www/> It is quite uncommon in [[New South Wales]] and only found in the [[Grafton, New South Wales|Grafton]] district.<ref name=pnet>{{cite web|url=http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/NSWfl.pl?page=nswfl&lvl=sp&name=Acacia~aulacocarpa|title=''Acacia aulacocarpa'' A.Cunn. ex Benth.|access-date=18 August 2019|work=PlantNet|publisher=[[Royal Botanic Gardens, Sydney]]}}</ref> It is far more widespread in [[Queensland]] and has discontinuous distribution along the coast and adjacent tablelands of the Great Dividing Range from around [[Daintree, Queensland|Daintree]] in the north to south of [[Brisbane, Queensland|Brisbane]] in the south.<ref name=www/> It grows in sandy soils as a part of [[sclerophyll forest]] or woodland communities on sandstone.<ref name=pnet/>
{{Acacia-stub}}

==See also==
* [[List of Acacia species|List of ''Acacia'' species]]

==References==
{{Commons category|Acacia aulacocarpa}}
{{Reflist}}

{{Taxonbar|from=Q4670866}}

⚫
[[Category:Acacia|aulacocarpa]]
[[Category:Fabales of Australia]]
[[Category:Flora of Queensland]]
[[Category:Flora of New South Wales]]
[[Category:Drought-tolerant trees]]
[[Category:Trees of Australia]]
[[Category:Near threatened flora of Australia]]
[[Category:Near threatened biota of Queensland]]
[[Category:Plants described in 1842]]
[[Category:Taxa named by George Bentham]]
[[Category:Taxa named by Allan Cunningham (botanist)]]

Latest revision as of 21:54, 15 April 2023

Acacia aulacocarpa
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Fabales
Family: Fabaceae
Subfamily: Caesalpinioideae
Clade: Mimosoid clade
Genus: Acacia
Species:
A. aulacocarpa
Binomial name
Acacia aulacocarpa
Occurrence data from AVH

Acacia aulacocarpa, also known as New Guinea wattle[2] or golden flowered salwood,[3] is an Australian shrub or tree in the family Fabaceae. It is found in northern Australia, Papua New Guinea, Irian Jaya and parts of Indonesia.[2]

Description[edit]

Acacia aulacocarpa grows as a shrub with a height of 0.5 to 2 m (1 ft 8 in to 6 ft 7 in) or as a small tree with a typical height of 2 to 8 m (6 ft 7 in to 26 ft 3 in) but can reach heights of up to 15 m (49 ft). It tends to have a single stem but can have few branches near the base with a spreading crown. The majority of the bark is smooth but it is often cracked and fissured at the base of the taller trees. The acutely angled glabrous branchlets are slender to sub-stout. Like most Acacias it has phyllode s rather than true leaves. The phyllodes have a dimidiate to subfalcate shape and are 5 to 12 cm (2.0 to 4.7 in) in length and 0.7 to 3.5 cm (0.28 to 1.38 in) wide and are glaucous with a slight sheen. The phyllodes have numerous parallel longitudinal nerves.[3] It blooms between January and June.

Taxonomy[edit]

The species was first formally described by the botanist George Bentham in 1842 as part of William Jackson Hooker's work Notes on Mimoseae, with a synopsis of species as published in the London Journal of Botany. It was reclassified as Racosperma aulacocarpum by Leslie Pedley in 1987 then transferred back to genus Acacia in 2006.[4]

Distribution[edit]

Acacia aulacocarpa occurs naturally east of the Great Dividing Range from northern Queensland to northern New South Wales. Despite the widespread distribution of the species it is not very common as populations tend to be locally restricted to run-off sites around rocky outcrops or along creek banks.[3] It is quite uncommon in New South Wales and only found in the Grafton district.[5] It is far more widespread in Queensland and has discontinuous distribution along the coast and adjacent tablelands of the Great Dividing Range from around Daintree in the north to south of Brisbane in the south.[3] It grows in sandy soils as a part of sclerophyll forest or woodland communities on sandstone.[5]

See also[edit]

References[edit]

Wikimedia Commons has media related to Acacia aulacocarpa.
  1. ^ Jimbo, T.; Eddowes, P. (2022). "Acacia aulacocarpa". IUCN Red List of Threatened Species. 2022: e.T38360A198308262. doi:10.2305/IUCN.UK.2022-1.RLTS.T38360A198308262.en. Retrieved 15 April 2023.
  2. ^ a b "Acacia aulacocarpa". International Legume Database & Information Service. 2018.
  3. ^ a b c d "Acacia aulacocarpa". World Wide Wattle. Western Australian Herbarium. Retrieved 18 August 2018.
  4. ^ "Acacia aulacocarpa A.Cunn. ex Benth". Atlas of Living Australia. Global Biodiversity Information Facility. Retrieved 18 August 2019.
  5. ^ a b "Acacia aulacocarpa A.Cunn. ex Benth". PlantNet. Royal Botanic Gardens, Sydney. Retrieved 18 August 2019.
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