Acacia quornensis: Difference between revisions
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'''''Acacia quornensis''''', commonly known as '''Quorn wattle''', is a shrub belonging to the genus ''[[Acacia]]'' and the subgenus ''Phyllodineae'' native to southern [[Australia]]. |
'''''Acacia quornensis''''', commonly known as '''Quorn wattle''', is a shrub belonging to the genus ''[[Acacia]]'' and the subgenus ''Phyllodineae'' native to southern [[Australia]]. |
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==Description== |
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The shrub typically grows to a height of {{convert|2|to|3|m|ft|1}} and has a bushy, spreading habit. It has reddish brown [[Glabrousness (botany)|glabrous]] branchlets and green narrowly elliptic to oblanceolate shaped [[phyllode]]s. |
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The shrub typically grows to a height of {{convert|2|to|3|m|ft|1}} and has a bushy, spreading habit. It has dark reddish brown [[Glabrousness (botany)|glabrous]] branchlets and green narrowly elliptic to oblanceolate shaped pale green [[phyllode]]s. The glaucous phyllodes have a length of {{cvt|2|to|5.5|cm}} and a width of {{cvt|4|to|10|mm}} and are acute to acuminate with a slightly excentric midrib and obscure lateral nerves. The racemose [[inflorescence]]s have spherical flower-heads containing 8 to 15 loosely packed light golden flowers. The firmly chartaceous to thinly coriaceous, glabrous [[seed pod]]s that form after flowering have as broadly linear to narrowly oblong shape with a length of up to {{cvt|13|cm}} and a width of {{cvt|8|to|9|mm}} with longitudinally arranged inside. The slightly shiny black seeds have an oblong shape with a length of {{cvt|5|to|6|mm}} with a brittle, dark reddish coloured clavate [[aril]].<ref name=www/> |
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==Taxonomy== |
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It belongs to the ''[[Acacia microbotrya]]'' group of ''Acacias'' and is quite closely related to ''[[Acacia wattsiana]]''.<ref name=www/> |
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==Distribution== |
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It is [[endemism|endemic]] to a small area in the [[Flinders Range]] of [[South Australia]] from [[Quorn, South Australia|Quorn]] to [[Hawker, South Australia|Hawker]] where it is found on the lower slopes of the range and in rocky gullies growing in calcareous loamy soils as a part of low woodland communities dominated by ''[[Callitris glaucophylla]]''.<ref name=www>{{cite web|url=http://worldwidewattle.com/speciesgallery/quornensis.php|title=''Acacia quornensis''|accessdate=2 June 2019|work=World Wide Wattle|publisher=[[Western Australian Herbarium]]}}</ref> |
It is [[endemism|endemic]] to a small area in the [[Flinders Range]] of [[South Australia]] from [[Quorn, South Australia|Quorn]] to [[Hawker, South Australia|Hawker]] where it is found on the lower slopes of the range and in rocky gullies growing in calcareous loamy soils as a part of low woodland communities dominated by ''[[Callitris glaucophylla]]''.<ref name=www>{{cite web|url=http://worldwidewattle.com/speciesgallery/quornensis.php|title=''Acacia quornensis''|accessdate=2 June 2019|work=World Wide Wattle|publisher=[[Western Australian Herbarium]]}}</ref> |
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Revision as of 11:03, 9 September 2019
| Quorn wattle | |
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Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Fabales |
| Family: | Fabaceae |
| Subfamily: | Caesalpinioideae |
| Clade: | Mimosoid clade |
| Genus: | Acacia |
| Species: | A. quornensis
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| Binomial name | |
| Acacia quornensis | |
Acacia quornensis, commonly known as Quorn wattle, is a shrub belonging to the genus Acacia and the subgenus Phyllodineae native to southern Australia.
Description
The shrub typically grows to a height of 2 to 3 metres (6.6 to 9.8 ft) and has a bushy, spreading habit. It has dark reddish brown glabrous branchlets and green narrowly elliptic to oblanceolate shaped pale green phyllodes. The glaucous phyllodes have a length of 2 to 5.5 cm (0.79 to 2.17 in) and a width of 4 to 10 mm (0.16 to 0.39 in) and are acute to acuminate with a slightly excentric midrib and obscure lateral nerves. The racemose inflorescences have spherical flower-heads containing 8 to 15 loosely packed light golden flowers. The firmly chartaceous to thinly coriaceous, glabrous seed pods that form after flowering have as broadly linear to narrowly oblong shape with a length of up to 13 cm (5.1 in) and a width of 8 to 9 mm (0.31 to 0.35 in) with longitudinally arranged inside. The slightly shiny black seeds have an oblong shape with a length of 5 to 6 mm (0.20 to 0.24 in) with a brittle, dark reddish coloured clavate aril.[1]
Taxonomy
It belongs to the Acacia microbotrya group of Acacias and is quite closely related to Acacia wattsiana.[1]
Distribution
It is endemic to a small area in the Flinders Range of South Australia from Quorn to Hawker where it is found on the lower slopes of the range and in rocky gullies growing in calcareous loamy soils as a part of low woodland communities dominated by Callitris glaucophylla.[1]
See also
References
- ^ a b c "Acacia quornensis". World Wide Wattle. Western Australian Herbarium. Retrieved 2 June 2019.