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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 debilis

Acacia debilis Tindale, 1978

Racosperma debile (Tindale) Pedley

Native distribution areas:
Acacia debilis

Continental: Australasia
Regional: Australia
Mary Douglas Tindale

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

Tindale, M.D., 1978. Telopea; Contributions from the National Herbarium of New South Wales 1 (5): 382.


Govaerts, R. et al. 2020. Acacia debilis 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 31. Reference page.
International Plant Names Index. 2019. Acacia debilis. Published online. Accessed: Jul 31 2019. 2019. Acacia debilis. Missouri Botanical Garden. Published on the internet. Accessed: 2019 Jul 31.
Hassler, M. Jul. Acacia debilis. 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 31 {{{3}}}. Reference page.

Vernacular names

Acacia debilis, commonly known as the spindly wattle, is a species of Acacia native to eastern Australia.[1]


The shrub or tree typically grows to a height of 2.5 to 6 metres (8 to 20 ft) and has an erect to spreading habit and smooth grey to reddish green bark. It has terete longitudinally ridged to smooth glabrous branchlets. The glabrous leaves occur with petiole that is 1 to 4 cm (0.39 to 1.57 in) in length. The leaves are composed to one to four pairs of pinnae that are 3 to 9.5 cm (1.2 to 3.7 in) in length. There are 5 to 17 pairs of pinnules that have an oblong to narrowly oblong in shape and are 6 to 20 mm (0.24 to 0.79 in) in length and 2 to 6 mm (0.079 to 0.236 in) wide. The plant blooms between July and September and produces inflorescences in groups of 8 to 25 in an axillary raceme or more commonly in the in panicles along an axis that is 2 to 20 cm (0.79 to 7.87 in) in length. The spherical flower-heads have a diameter of 4 to 7.5 mm (0.16 to 0.30 in) and contain 15 to 33 bright yellow flowers. The glabrous and thinly leathery seed pods that form after flowering have a white powdery coating and are straight to slightly curved. The flat and usually straight-sided pods are 5.5 to 13.5 cm (2.2 to 5.3 in) in length and have a width of 9 to 13 mm (0.35 to 0.51 in).[1]

It is endemic to a small area of south eastern Queensland[2] and north eastern New South Wales and has a disjunct distribution. In New South Wales it is found to the north of the Pilliga scrub usually situated along creek banks and is often part of dry sclerophyll forest or woodland communities and grows in sandy soils.[1] The range of the plant extends from around Taroom in the north down to the Pilliga East State Forest in the south west and Tenterfield in the south east.[2]
See also

List of Acacia species


P.G.Kodela (2002). "Acacia debilis Tindale". Plantnet - New South Wales Flora Online. Royal Botanic Gardens, Sydney. Retrieved 6 September 2016.
"Acacia debilis". World Wide Wattle. Western Australian Herbarium. Retrieved 17 February 2020.

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