Boree | |
---|---|
A. oswaldii habit | |
Scientific classification | |
Kingdom: | Plantae |
Clade: | Tracheophytes |
Clade: | Angiosperms |
Clade: | Eudicots |
Clade: | Rosids |
Order: | Fabales |
Family: | Fabaceae |
Subfamily: | Caesalpinioideae |
Clade: | Mimosoid clade |
Genus: | Acacia |
Species: | A. oswaldii |
Binomial name | |
Acacia oswaldii | |
Occurrence data from AVH | |
Synonyms [1] | |
Acacia amaliae Domin Contents |
Acacia oswaldii, commonly known as boree, [2] umbrella wattle, umbrella bush, whyacka, middia, miljee, nella and curly yarran, [3] is a shrub or tree of the genus Acacia and the subgenus Plurinerves.
The shrub or tree typically grows to a height of 1 to 6 metres (3 to 20 ft) [4] and can be found to 8 m (26 ft). It has terete and glabrous branchlets with many red, resinous micro-hairs. Phyllodes are spreading to erect with leaves that are linear, narrowly elliptic or narrowly oblong-elliptic shape that is straight to recurved, terete to flat, 2.5 to 10.5 centimetres (1 to 4 in) in length and 3 to 15 millimetres (0.12 to 0.59 in) wide. [3] Leaves are hairy when young, becoming hairless, edges smooth, with a straight often sharp point. [5]
It blooms from October to December and produces yellow flowers. [4] The simple inflorescences forms singly or in pairs in the axil of the phyllodes supported on hairy peduncles that are 0 to 1 millimetre (0.00 to 0.04 in) long. The flowers are heads globose holding 5 to 16-flowers that are 5 to 8 mm (0.2 to 0.3 in) in diameter. Seed pods form later that are curved or coiled and mostly flat except where raised over seeds. The leathery to woody pods are 4 to 25 cm (1.6 to 9.8 in) long and 5 to 12 mm (0.2 to 0.5 in) wide. [6] Seeds can be collected from March to May and sown from November to February and will germinated in 3 to 10 weeks. A. oswaldii can also be grown from cuttings. [7]
It is native to an area in the central and southern regions of South Australia and the Northern Territory, south west Queensland, western New South Wales, [6] northern Victoria [2] and the Pilbara and Goldfields-Esperance regions of Western Australia. [4]
The distribution is wide but scattered throughout arid, semi-arid and subtropical areas in all states on the mainland, occurring mainly in calcareous sands or loamy soils. [3]
The species was initially described by the botanist Ferdinand von Mueller in 1863 in the journal Fragmenta Phytographiae Australiae . [2] Several synonyms are known including Racosperma oswaldii, [6] Acacia sessiliceps, Acacia amaliae var. amaliae, Acacia osswaldi, Acacia amaliae, Acacia oswaldi var. abbreviata and Acacia amaliae var. orthophylla. [2]
The name honours Ferdinand Oswald, who was involved with the collection of the type specimen. [6] The type specimen was collected by von Mueller in 1851 near Blanchetown on the Murray River. [3]
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Acacia gregorii, commonly known as Gregory's wattle, is a shrub belonging to the genus Acacia and the subgenus Phyllodineae native to Western Australia.
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Acacia falciformis, also commonly known as broad-leaved hickory, hickory wattle, mountain hickory, large-leaf wattle, tanning wattle and black wattle, is a shrub belonging to the genus Acacia and the subgenus Phyllodineae that is endemic to eastern Australia
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Acacia conspersa is a shrub or tree belonging to the genus Acacia and the subgenus Juliflorae that is native to northern Australia.
Acacia multistipulosa is a shrub or tree belonging to the genus Acacia and the subgenus Juliflorae that is native to northern Australia.