| Acacia sessilispica | |
|---|---|
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Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Fabales |
| Family: | Fabaceae |
| Clade: | Mimosoideae |
| Genus: | Acacia |
| Species: | A. sessilispica |
| Binomial name | |
| Acacia sessilispica | |
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| Occurrence data from AVH | |
Acacia sessilispica is a shrub belonging to the genus Acacia and the subgenus Juliflorae native to Western Australia.
The dense rounded shrub or tree typically grows to a height of 0.8 to 3 metres (3 to 10 ft). [1] The slightly angular and glabrous branchlets are sometimes resinous. The pungent green phyllodes are ascending to erect and slightly incurved. The phyllodes have a length of 5 to 11.5 cm (2.0 to 4.5 in) and a diameter of 1 to 1.3 mm (0.039 to 0.051 in) and have eight closely parallel nerves separated by deep furrows. [2] It blooms from August to September producing yellow flowers. [1] The simple inflorescences are sessile spikes usually tapering towards the apex when budding. The inflorescences have a length of 10 to 28 mm (0.39 to 1.10 in) with a 3 to 5 mm (0.12 to 0.20 in) densely covered in pale golden to dark golden flowers. The linear seed pods that form later are deflexed and raised over but not often constricted between seeds. Each pod is to around 7 cm (2.8 in) in length and a width of 3 to 4.5 mm (0.12 to 0.18 in). The glossy black seeds within the pods are longitudinal with a broadly elliptic to oblong-elliptic shape and have a length of 3 to 4 mm (0.12 to 0.16 in). [2]
The species was first formally described by the botanists Joseph Maiden and William Blakely in 1928 as part of the work Descriptions of fifty new species and six varieties of western and northern Australian Acacias, and notes on four other species as published in the Journal of the Royal Society of Western Australia. The species was reclassified as Racosperma sessilispicum in 2003 by Leslie Pedley and then transferred back to the genus Acacia in 2006. The other synonyms are Acacia multispicata and Acacia aciphylla var. leptostachys. [3]
It is native to a large area in the southern Wheatbelt and the Great Southern regions of Western Australia where it is found among granite outcrops and hills. [1] The species is found Ballidu in the north to Ravensthorpe in the south east, it grows in granitic loam and sandy soils and is often a part of shrubland and mallee communities. [2]
Acacia ancistrocarpa, commonly known as fitzroy wattle, is a shrub belonging to the genus Acacia and the subgenus Juliflorae. The shrub is also known as fish hook wattle, pindan wattle and shiny leaved wattle.
Acacia desertorum is a shrub belonging to the genus Acacia and the subgenus Juliflorae that is endemic to western Australia.
Acacia incongesta, also known as Peak Charles wattle, is a shrub belonging to the genus Acacia and the subgenus Juliflorae that is endemic to a small area in south western Australia
Acacia jibberdingensis, also known as Jibberding wattle or willow-leafed wattle, is a shrub or tree belonging to the genus Acacia and the subgenus Juliflorae that is endemic to Western Australia.
Acacia levata is a shrub belonging to the genus Acacia and the subgenus Juliflorae that is endemic to small arid area of western Australia.
Acacia multispicata, commonly known as spiked wattle, is a shrub belonging to the genus Acacia and the subgenus Juliflorae that is endemic to south western Australia.
Acacia dempsteri is a shrub belonging to the genus Acacia and the subgenus Phyllodineae endemic to south western Australia.
Acacia excentrica is a shrub belonging to the genus Acacia and the subgenus Phyllodineae native to Western Australia.
Acacia merrickiae is a shrub belonging to the genus Acacia and the subgenus Phyllodineae that is endemic to a small area of south western Australia.
Acacia pulviniformis is a shrub of the genus Acacia and the subgenus Phyllodineae that is endemic to south western Australia.
Acacia validinervia also commonly known as nyalanyalara, nyala nyala, alumaru or blue wattle, is a shrub of the genus Acacia and the subgenus Phyllodineae endemic to arid areas of inland Australia.
Acacia ascendens is a shrub of the genus Acacia and the subgenus Plurinerves that is endemic to a small area in south western Australia.
Acacia chrysopoda is a shrub of the genus Acacia and the subgenus Plurinerves that is endemic to an area of south western Australia.
Acacia obtecta is a shrub of the genus Acacia and the subgenus Plurinerves that is endemic to a small area in south western Australia.
Acacia gillii, commonly known as Gill's wattle, is a shrub belonging to the genus Acacia and the subgenus Phyllodineae that is native to parts of southern Australia.
Acacia semirigida, also known as stony ridge wattle, is a shrub or tree belonging to the genus Acacia and the subgenus Phyllodineae native to north eastern Australia.
Acacia torringtonensis is a shrub belonging to the genus Acacia and the subgenus Phyllodineae native to eastern Australia.
Acacia kybeanensis, commonly known as kybean wattle or kybeyan wattle, is a shrub of the genus Acacia and the subgenus Phyllodineae that is endemic to south eastern Australia.
Acacia linearifolia, commonly known as stringybark wattle or narrow-leaved wattle, is a shrub or tree of the genus Acacia and the subgenus Phyllodineae that is endemic to eastern Australia.
Acacia tarculensis, commonly known as granite wattle, granite bush or steel bush is a shrub belonging to the genus Acacia and the subgenus Juliflorae that is native to south central Australia.