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Classification System: APG IV

Superregnum: Eukaryota
Regnum: Plantae
Cladus: Angiosperms
Cladus: Eudicots
Cladus: Core eudicots
Cladus: Rosids
Cladus: Eurosids I
Ordo: Fabales

Familia: Fabaceae
Subfamilia: Caesalpinioideae
Tribus: Acacieae
Genus: Acacia
Species: Acacia conjunctifolia

Acacia conjunctifolia F.Muell., 1879

Racosperma conjunctifolium (F.Muell.) Pedley

Native distribution areas:
Acacia conjunctifolia

Continental: Australasia
Regional: Australia
Northern Territory, Queensland

References: Brummitt, R.K. 2001. TDWG – World Geographical Scheme for Recording Plant Distributions, 2nd Edition
Primary references

Mueller, F. 1878–1881. Fragmenta Phytographiae Australiae. Vol. 11. 132 pp. J. Ferres, Melbourne. BHL Reference page. : 11(90): 68.


Govaerts, R. et al. 2020. Acacia conjunctifolia in Kew Science Plants of the World online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published on the internet. Accessed: 2020 Jul 29. Reference page.
International Plant Names Index. 2019. Acacia conjunctifolia. Published online. Accessed: Jul 29 2019. 2019. Acacia conjunctifolia. Missouri Botanical Garden. Published on the internet. Accessed: 2019 Jul 29.
Hassler, M. Jul. Acacia conjunctifolia. World Plants: Synonymic Checklists of the Vascular Plants of the World In: Roskovh, Y., Abucay, L., Orrell, T., Nicolson, D., Bailly, N., Kirk, P., Bourgoin, T., DeWalt, R.E., Decock, W., De Wever, A., Nieukerken, E. van, Zarucchi, J. & Penev, L., eds. Jul. Species 2000 & ITIS Catalogue of Life. Published on the internet. Accessed: Jul 29 {{{3}}}. Reference page.

Vernacular names

Acacia conjunctifolia is a shrub belonging to the genus Acacia and the subgenus Juliflorae. It is native to parts of northern Australia.[1]


The shrub typically grows to a height of 1.5 to 2 metres (5 to 7 ft)[2][3] with angular brown to dark brown branchlets that have prominent ridges. The green linear to narrowly elliptic or narrowly oblanceolate shaped phyllodes occur singly or in clusters of two to four. The phyllodes are flat and straight to slightly curved with a length of 0.8 to 2.7 centimetres (0.31 to 1.06 in) and a width of 1 to 3.5 millimetres (0.039 to 0.138 in). It blooms between May and September[3] producing pale yellow flowers.[2] The flower spikes are 0.7 to 3 cm (0.28 to 1.18 in) in length. After flowering erect and linear seed pods form that are straight to slightly curved. The pods are 3 to 7 cm (1.18 to 2.76 in) and in length and 3.5 to 7 mm (0.138 to 0.276 in) wide and often narrowly winged. The dark brown seeds within have an oblong to narrowly oblong-elliptic shape and are 3 to 6 mm (0.118 to 0.236 in) long.[3]

The species was first formally described by the botanist Ferdinand von Mueller in 1879 in the work Fragmenta Phytographiae Australiae. It was reclassified as Racosperma conjunctifolium by Leslie Pedley in 1987 before being reverted to the genus Acacia in 2001.[1]

It is thought to be closely related to Acacia amentifera.[3]

It is found through the top end of the Northern Territory and a small area in north western Queensland[1] where it grows in stony and sandy soils usually on laterite or quartzite aa a part of Eucalypt woodlands or scrubby open forest communities.[3] In Western Australia it is found in small area of the Kimberley region where it grows on sandstone outcrops above creek beds.[2]
See also

List of Acacia species


"Acacia conjunctifolia". Atlas of Living Australia. Global Biodiversity Information Facility. Retrieved 8 September 2018.
"Acacia conjunctifolia". FloraBase. Western Australian Government Department of Biodiversity, Conservation and Attractions.
"Acacia conjunctifolia". World Wide Wattle. Western Australian Herbarium. Retrieved 8 September 2018.

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