| Acacia difficilis | |
|---|---|
 | |
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Fabales |
| Family: | Fabaceae |
| Clade: | Mimosoideae |
| Genus: | Acacia |
| Species: | A. difficilis |
| Binomial name | |
| Acacia difficilis | |
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| Occurrence data from AVH | |
Acacia difficilis is a tree belonging to the genus Acacia and the subgenus Juliflorae that is endemic to tropical parts of northern Australia.
The tree typically grows to a height of 3.5 to 13 metres (11 to 43 ft) [1] and has fibrous, grey to brown coloured bark on both the trunk and branches. It has grey to brown branchlets that are almost terete which can be densely pubescent or glabrous. Like most species of Acacia it has phyllodes rather than true leaves. The evergreen, narrowly elliptic phyllodes have a tapered base and are 5.5 to 14 cm (2.2 to 5.5 in) in length and 15 to 40 mm (0.59 to 1.57 in) wide. The thinly coriaceous phyllodes are silvery-white and covered in a dense mat of woolly hair when young and have five to nine prominent longitudinal nerves. [2] It blooms from May to September producing yellow flowers. [1]
It is native to an area in the Kimberley region of Western Australia, [1] to the top end of the Northern Territory, and north-west Queensland. [3] It is quite common in the northern parts of the Northern Territory and is also found on Thursday Island and Melville Island, it is much rarer in Western Australia where it is found around Kununurra and is also found near the Gulf of Carpentaria in Queensland. It is usually situated along creeks growing in sandy or gravelly soils as a part of open woodland communities where it is often associated with Eucalyptus tetrodonta . [2]
Acacia papyrocarpa, commonly known as western myall, is a tree in the family Fabaceae native to arid areas of central and western Australia.
Acacia murrayana is a tree in the family Fabaceae. It has numerous common names, including sandplain wattle, Murray's wattle, fire wattle, colony wattle and powder bark wattle that is endemic to arid areas in every mainland State except Victoria.
Acacia georginae is a perennial tree which is native to arid areas of central Australia and has been introduced into the United States. Common names for it include Georgina gidgee, Georgina gidyea and poison gidyea.
Acacia pyrifolia, commonly known as ranji bush is a shrub that is endemic to the north of Western Australia.
Acacia acradenia, commonly known as Velvet Hill wattle and silky wattle, is a shrub or tree belonging to the genus Acacia and the subgenus Juliflorae. It is native to northern and central Australia. The Indigenous Australian group the Nyangumarta peoples know it as walypuna the Alyawarr call it ampwey, the Jaminjung and Ngaliwurru know it as Mindiwirri, the Jaru as binbali or gundalyji, the Kaytetye as ampweye or arwele and the Warlpiri as ngardurrkura.
Acacia adsurgens is a shrub belonging to the genus Acacia and the subgenus Juliflorae. It is native to the northern areas of Australia.
Acacia argyraea is a shrub belonging to the genus Acacia and the subgenus Juliflorae that is endemic to tropical parts of northern Australia.
Acacia hammondii, also known as Hammond's wattle, is a tree or shrub belonging to the genus Acacia and the subgenus Juliflorae that is native across northern Australia.
Acacia humifusa is a shrub belonging to the genus Acacia and the subgenus Juliflorae that is endemic to northern parts of Australia.
Acacia incurvaneura, also known as narrow-leaf wattle, is a shrub belonging to the genus Acacia and the subgenus Juliflorae that is endemic to central and western Australia.
Acacia orthocarpa, also commonly known as Pilbara weeping wattle, needle-leaf wattle or straight-podded wattle, is a shrub or tree belonging to the genus Acacia and the subgenus Juliflorae that is endemic to tropical parts of northern Australia. The indigenous Nyangumarta peoples know it as yartupu.
Acacia paraneura, commonly known as weeping mulga, is a tree or shrub belonging to the genus Acacia and the subgenus Juliflorae. It is native to arid regions of Australia. The Indigenous Kurrama peoples know the tree as warlun.
Acacia pellita is a shrub or tree belonging to the genus Acacia and the subgenus Juliflorae that is endemic to parts of tropical northern Australia.
Acacia stipuligera is a tree or shrub belonging to the genus Acacia and the subgenus Juliflorae. It is native to arid and tropical parts of northern Australia.
Acacia dictyophleba, also known as the sandhill wattle, waxy wattle and feather veined wattle, is a shrub belonging to the genus Acacia and the subgenus Phyllodineae. The Nyangumarta peoples know the plant as Langkur or Lungkun and the Thalanyji know it as Jabandi.
Acacia melleodora, commonly known as scented wax wattle, waxy wattle, honey wattle or honey scented wattle, is a shrub belonging to the genus Acacia and the subgenus Phyllodineae that is endemic to arid parts of central Australia.
Acacia calcicola is a shrub or tree of the genus Acacia and the subgenus Plurinerves that is native to parts of central Australia. Common names for this species include; shrubby wattle, shrubby mulga, myall-gidgee, northern myall and grey myall. Indigenous Australians the Pitjantjatjara peoples know the tree as ikatuka, the Warlpiri know it as jirlarti and the Arrernte know it as irrakwetye.
Acacia nuperrima is a shrub of the genus Acacia and the subgenus Plurinerves that is endemic to a large area across northern Australia.
Acacia macdonnelliensis, commonly known as the MacDonnell mulga or the Hill mulga, is a species of Acacia native to central Australia. The Indigenous Australians the Alyawarr peoples know the plant as irrar, the Kaytetye know it as arleth-arlethe or arwele arleth-arlethe and the Western Arrernte peoples know it as irrkwarteke.
Acacia dimidiata is a small tree belonging to the genus Acacia in the subgenus Juliflorae. It is native to northern Australia, being found in both in the Northern Territory, and Queensland. It is considered a species of least concern in the Northern Territory and Queensland.