Brown, R. in Sturt, C. (1849), Botanical Appendix. Narrative of an Expedition into Central Australia 2: 79 [tax. nov.]

• Type: Petalostylis labicheoides R.Br.

Mueller, F.J.H. von in Hooker, W.J. (ed.) (1856), North Australian Botany. Hooker's Journal of Botany and Kew Garden Miscellany 8: 324 [nomenclatural synonym]

nomenclatural synonym of: Petalogyne F.Muell. nom. illeg., nom. superfl.

Bentham, G. (5 October 1864), Flora Australiensis 2: 291 [secondary reference]

Mueller, F.J.H. von (1882), Systematic Census of Australian Plants: 42 [secondary reference]

Bailey, F.M. (1913), Comprehensive Catalogue of Queensland Plants: 152 [secondary reference]

Sulman, F. (1914), A Popular Guide to the Wild Flowers of New South Wales II: 32 [secondary reference]

Black, J.M. (1924), Casuarinaceae - Euphorbiaceae. Flora of South Australia 2: 293 [secondary reference]

• Etymology: "Greek petalon, petal; stylos, style: alluding to the petaloid style."

Black, J.M. (January 1948), Casuarinaceae-Euphorbiaceae. Flora of South Australia Edn. 2, 2: 431 [secondary reference]

orthographic variant: Petalostyles R.Br. orth. var.

Jacobs, S.W.L. & Pickard, J. (1981), Plants of New South Wales: 96 [secondary reference]

Symon, D.E. in Jessop, J.P. (ed.) (1981), Caesalpinaceae. Flora of Central Australia: 105 [secondary reference]

Pedley, L. in Stanley, T.D. & Ross, E.M. (1984), Caesalpiniaceae. Flora of South-eastern Queensland 1: 393-394 [secondary reference]

Ross, J.H. (14 May 1986), Notes on Afzelia Sm. and Petalostylis R.Br. (Caesalpiniaceae). Muelleria 6(3&4): 211-215 [secondary reference]

Wiecek, B. in Harden, G.J. (ed.) (1991), Petalostylis. Flora of New South Wales 2: 323 [secondary reference]

Wheeler, J.R. in Wheeler, J.R. (ed.) (1992), Caesalpiniaceae. Flora of the Kimberley Region: 350 [secondary reference]

Ross, J.H. in McCarthy, P.M. (ed.) (1998), Petalostylis. Flora of Australia 12: 157 APC [secondary reference]

orthographic variant: Petalostyles R.Br. orth. var. nomenclatural synonym: Petalogyne F.Muell. nom. illeg., nom. superfl.

• APC Dist.: WA, NT, SA, Qld, NSW

Wiecek, B. in Harden, G.J. (ed.) (2002), Petalostylis. Flora of New South Wales Revised Edition 2: 376 [secondary reference]

Mabberley, D.J. (1 May 2008), Mabberley's Plant-Book Edn. 3: 650 [secondary reference]

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