Aiton, W.T. (1811), Hortus Kewensis Edn. 2, 2: 78 [comb. nov.]

basionym: Asclepias procera Aiton legitimate

• Comment: Combination indicated but not made by R.Brown, Mem. Wernerian Soc. 1 (1811) 39.

Webb, L.J. (1948), Guide to the medicinal and poisonous plants of Queensland. Bulletin (CSIRO) 232: 22 [secondary reference]

Chippendale, G.M. & Murray, L.R. (1963), Poisonous Plants of the Northern Territory: 85, Pl. 27 [secondary reference]

common name: Rubber Tree [n/a] common name: Calotrope [n/a]

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: 141 [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]

Wheeler, J.R. in Wheeler, J.R. (ed.) (1992), Asclepiadaceae. Flora of the Kimberley Region: 708-709, Fig. 218B [secondary reference]

common name: Kings Crown [n/a] common name: Rubber tree [n/a] common name: Calotrope [n/a]

Forster, P.I. (2 April 1992), A taxonomic account of the genus Calotropis R.Br. (Asclepiadaceae) in Australia. Nuytsia 8(2): 202-205, Fig. 1A-D, Map 1 [secondary reference]

• Lectotype: N.J. Jacquin, Observationum botanicorum iconibus. part 3: t.69 (1768) [as Asclepias gigantea], fide Ali, Notes R.B.G. Edinb. 38: 290 (1980).

nomenclatural synonym: Asclepias procera Aiton 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. in Orchard, A.E. (ed.) (1996), Asclepiadaceae. Flora of Australia 28: 214, Figs 67, 104A-D, Map 244 [secondary reference]

nomenclatural synonym: Asclepias procera Aiton legitimate

Kenneally, K.F., Edinger, D.C. & Willing, T. (1996), Broome and Beyond. Plants and people of the Dampier Peninsula, Kimberley, Western Australia: 61 [secondary reference]

common name: Rubber Tree [n/a] common name: Calotrope [n/a]

Hyland, B.P.M., Whiffin, T.P., Christophel, D.C., Gray, B., Elick, R.W. & Ford, A.J. (1999), Australian tropical rain forest trees and shrubs. Australian tropical rain forest trees and shrubs: 57 [secondary reference]

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 3030 [secondary reference]

Cooper, W.E. & Cooper, W.T. (2004), Fruits of the Australian Tropical Rainforest: 34 [secondary reference]

common name: King's Crown [n/a] common name: Rubber Tree [n/a] common name: Calotrope [n/a]

Council of Heads of Australasian Herbaria (2006), Australian Plant Census: - APC [secondary reference]

nomenclatural synonym: Asclepias procera Aiton legitimate misapplication: Asclepias gigantea L. legitimate by Jacquin, N.J. von (1768), Observationum Botanicarum 3: t. 69

• APC Dist.: WA (naturalised), NT (naturalised), SA (naturalised), Qld (naturalised)

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