Hunter, J.T. & Bruhl, J.J. (20 February 1997), Four new rare species of Sauropus Blume (Euphorbiaceae: Phyllantheae) from north Queensland. Austrobaileya 4(4): 666, fig. 3 [tax. nov.]

• Type: Queensland. Cook District: South Pap, Tozer Gap area, Cape York Peninsula, 16 September 1983, D.L.Jones 1244 (holo: BRI [AQ452404]).

Council of Heads of Australasian Herbaria (2009), Australian Plant Census: - [taxonomic synonym]

taxonomic synonym of: Sauropus sphenophyllus (Airy Shaw) Airy Shaw legitimate

Telford, I.R.H., Pruesapan, K., Welzen, P.C. van & Bruhl, J.J. (29 June 2014), Molecular data consistently recover a 'Queensland clade' of Synostemon (Phyllanthaceae, Phyllantheae) with distinctive floral morphology. Australian Systematic Botany 27(5,6): 456 [taxonomic synonym]

taxonomic synonym of: Synostemon sphenophyllus Airy Shaw legitimate

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