Brown, R. (27 March 1810), Prodromus florae Novae Hollandiae et insulae Van-Diemen, exhibens characteres plantarum quas annis 1802-1805: 460 [tax. nov.]

• Type: "(T.) v.v."

Sprengel, C.P.J. (1824), Systema Vegetabilium Edn. 17, 1: 843 [basionym]

basionym of: Hoya flexuosa (R.Br.) Spreng. legitimate

Bentham, G. (16 December 1868), Flora Australiensis 4: 336 [secondary reference]

Mueller, F.J.H. von (1882), Systematic Census of Australian Plants: 94 [secondary reference]

Kuntze, C.E.O. (5 November 1891), Revisio Generum Plantarum 2: 424 [basionym]

basionym of: Vincetoxicum flexuosum (R.Br.) Kuntze legitimate

Bailey, F.M. (1913), Comprehensive Catalogue of Queensland Plants: 326 [secondary reference]

Specht, R.L. in Specht, R.L. & Mountford, C.P. (ed.) (August 1958), The Gymnospermae and Angiospermae collected on the Arnhem Land Expedition. Records of the American-Australian Scientific Expedition to Arnhem Land No. 3 Botany and Plant Ecology: 282 [secondary reference]

Chippendale, G.M. (17 April 1972), Check List of Northern Territory Plants. Proceedings of the Linnean Society of New South Wales 96(4): 254 [secondary reference]

Green, J.W. (1985), Census of the Vascular Plants of Western Australia Edn. 2: 142 [secondary reference]

Dunlop, C.R. (1987), Checklist of the Vascular Plants of the Northern Territory. Technical Report: Conservation Commission of the Northern Territory 26: 9 [secondary reference]

Forster, P.I. (21 August 1990), Notes on Asclepiadaceae, 2. Austrobaileya 3(2): 286 [secondary reference]

• Lectotype: "Groote Eylandt, Northern Territory, January 1803, R. Brown (lecto (here designated): BM (photo BRI!); isolecto: CANB(CANB278897))."

Wheeler, J.R. in Wheeler, J.R. (ed.) (1992), Asclepiadaceae. Flora of the Kimberley Region: 719, Fig. 220H [secondary reference]

Forster, P.I. (14 February 1992), A taxonomic revision of Tylophora R.Br. (Asclepiadaceae: Marsdenieae) in Australia. Australian Systematic Botany 5(1): 47, figs 3B, C, 4F-J, 6E, F, 2A (map) [secondary reference]

• Type: "Northern Territory: Groote Eylandt, i.1803, R.Brown s.n. [lecto: BM, 2 sheets n.v., photo at BRI!; isolecto: CANB!, fide Forster, L.C. (1990)]."

nomenclatural synonym: Hoya flexuosa (R.Br.) Spreng. legitimate nomenclatural synonym: Vincetoxicum flexuosum (R.Br.) Kuntze legitimate taxonomic synonym: Tylophora perlaxa Schltr. legitimate

Hyland, B.P.M., Gray, B. & Elick, R.W. in Cooper, W.E. & Cooper, W.T. (1994), Appendix I: Provisional Species List. Fruits of the Rainforest: 301 [secondary reference]

Forster, P.I. (26 October 1994), A taxonomic revision of Tylophora (Asclepiadaceae: Marsdenieae) in Papuasia. Australian Systematic Botany 7(5): 491 [secondary reference]

nomenclatural synonym: Hoya flexuosa (R.Br.) Spreng. legitimate nomenclatural synonym: Vincetoxicum flexuosum (R.Br.) Kuntze legitimate taxonomic synonym: Asclepias tetrapetala Dennst. legitimate taxonomic synonym: Asclepias tenuissima Roxb. ex Schult. legitimate taxonomic synonym: Tylophora tenuis Blume legitimate taxonomic synonym: Tylophora tenuissima (Roxb. ex Schult.) Wight & Arn. legitimate taxonomic synonym: Tylophora cuspidata Zipp. ex Decne. legitimate taxonomic synonym: Tylophora polyantha Volkens legitimate taxonomic synonym: Tylophora perlaxa Schltr. legitimate taxonomic synonym: Tylophora tetrapetala (Dennst.) Suresh legitimate

Forster, P.I. in Orchard, A.E. (ed.) (1996), Asclepiadaceae. Flora of Australia 28: 275, Figs 119B-C, 120H-I, 122U-W, Map 328 [secondary reference]

nomenclatural synonym: Hoya flexuosa (R.Br.) Spreng. legitimate nomenclatural synonym: Vincetoxicum flexuosum (R.Br.) Kuntze legitimate

• APC Dist.: WA, NT, Qld

Kenneally, K.F., Edinger, D.C. & Willing, T. (1996), Broome and Beyond. Plants and people of the Dampier Peninsula, Kimberley, Western Australia: 64 [secondary reference]

• Vernacular: gooloonggooloowarr (Bardi)

Hyland, B.P.M., Whiffin, T.P., Christophel, D.C., Gray, B. & Elick, R.W. (2003), Australian tropical rain forest plants. Trees, Shrubs and Vines: Code 2587 [secondary reference]

Cooper, W.E. & Cooper, W.T. (2004), Fruits of the Australian Tropical Rainforest: 55 [secondary reference]

Liede-Schumann, S. & Meve, U. (2018), Vincetoxicum (Apocynaceae—Asclepiadoideae) expanded to include Tylophora and allies. Phytotaxa 369(3): 143 [secondary reference]

• Type: "... Jan. 1803, R.Brown s.n. (lectotype, BM [BM001040545]..."

Liede-Schumann, S. & Meve, U. (2018), Vincetoxicum (Apocynaceae—Asclepiadoideae) expanded to include Tylophora and allies. Phytotaxa 369(3): 143 [nomenclatural synonym]

nomenclatural synonym of: Vincetoxicum flexuosum (R.Br.) Kuntze legitimate

Percy-Bower, J.M. & Parker, C.M. (28 March 2019), Updates to Western Australia’s vascular plant census for 2018. Nuytsia 30: 14 [nomenclatural synonym]

nomenclatural synonym of: Vincetoxicum flexuosum (R.Br.) Kuntze legitimate

Brown, G.K. & Bostock, P.D. (December 2020), Appendix A: New names and name and status changes 2019 to 2020. Introduction to the Census of the Queensland Flora 2020: 10 [nomenclatural synonym]

nomenclatural synonym of: Vincetoxicum flexuosum (R.Br.) Kuntze legitimate

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