Schrader, H.A. in Ecklon, C.F. & Zeyher, C.L.P. (1836), Enumeratio Plantarum Africae Australis Extratropicae 2: 279 [tax. nov.]

• Type: (not designated).

Bailey, F.M. (1900), The Queensland Flora 2: 697 [secondary reference]

Bailey, F.M. (1913), Comprehensive Catalogue of Queensland Plants: 221 [secondary reference]

Black, J.M. (1929), Bignoniaceae - Compositae. Flora of South Australia 4: 544 [secondary reference]

• Etymology: "Diminutive of Latin citrus, the citron-tree, because the fruits are sometimes orange-shaped."

Fosberg, F.R. (1953), Proposal to conserve the generic name Citrullus Schrader. Taxon 2: 101 [secondary reference]

Black, J.M. & Robertson, E.L. (1957), Flora of South Australia Edn. 2, 4: 806 [secondary reference]

• Etymology: "Diminutive of Latin citrus, the citron-tree, because the fruits are sometimes orange-shaped."

Meeuse, A.D.J. (1962), The Cucurbitaceae of Southern Africa. Bothalia 8: 54-55 [secondary reference]

Oza, G.M. (1962), Nomenclatural note in the Indian species of Citrullus Schrader. Taxon 11: 254-255 [secondary reference]

Eichler, Hj. (1965), Supplement to J.M.Black's Flora of South Australia (Second Edition, 1943-1957): 291 [secondary reference]

Burbidge, N.T. & Gray, M. (1970), Flora of the Australian Capital Territory: 342 [secondary reference]

Cronquist, A.J. (1981), An Integrated System of Classification of Flowering Plants: 424 [secondary reference]

Jacobs, S.W.L. & Pickard, J. (1981), Plants of New South Wales: 108 [secondary reference]

Telford, I.R. & Marsden, C.R. in Jessop, J.P. (ed.) (1981), Cucurbitaceae. Flora of Central Australia: 230 [secondary reference]

Telford, I.R.H. in George, A.S. (ed.) (1982), Cucurbitaceae. Flora of Australia 8: 173-175 APC [secondary reference]

taxonomic synonym: Colocynthis Mill. nom. rej.

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

Voss, E.G. (1983), International Code of Botanical Nomenclature, Sydney, 1981. Regnum Vegetabile 111: 415 [secondary reference]

• Type: Citrullus vulgaris Schrad., typ. cons.

taxonomic synonym: Colocynthis Mill. nom. rej.

Stanley, T.D. in Stanley, T.D. & Ross, E.M. (1986), Cucurbitaceae. Flora of South-eastern Queensland 2: 113 [secondary reference]

Wheeler, J.R. in Marchant, N.G., Wheeler, J.R., Rye, B.L., Bennett, E.M., Lander, N.S. & Macfarlane, T.D. (1987), Cucurbitaceae. Flora of the Perth Region 1: 157-158 [secondary reference]

Harden, G.J. in Harden, G.J. (ed.) (1990), Cucurbitaceae. Flora of New South Wales 1: 443 [secondary reference]

Brummitt, R.K. (1992), Vascular Plant Families and Genera: 109 [secondary reference]

taxonomic synonym: Colocynthis Mill. nom. rej.

Wheeler, J.R. in Wheeler, J.R. (ed.) (1992), Cucurbitaceae. Flora of the Kimberley Region: 246-247 [secondary reference]

Jobson, P.C. in Walsh, N.G. & Entwisle, T.J. (ed.) (1996), Cucurbitaceae. Flora of Victoria 3: 381-382 [secondary reference]

Harden, G.J. in Harden, G.J. (ed.) (2000), Cucurbitaceae. Flora of New South Wales Revised Edition 1: 443 [secondary reference]

Mabberley, D.J. (1 May 2008), Mabberley's Plant-Book Edn. 3: 190 [secondary reference]

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