Schauer, J.C. in Lehmann, J.G.C. (ed.) (1844), Myrtaceae. Plantae Preissianae 1(1): 112 [tax. nov.]

Bentham, G. (5 January 1867), Orders XLVIII. Myrtaceae- LXII. Compositae. Flora Australiensis 3: 94 [secondary reference]

Rye, B.L., Wilson, Peter G. & Keighery, G.J. (25 July 2013), A revision of the species of Hypocalymma (Myrtaceae: Chamelaucieae) with smooth or colliculate seeds. Nuytsia 23: 298 [secondary reference]

taxonomic synonym: Hypocalymma sect. Calocalymma Turcz. nom. inval.

• Etymology: "From the Greek kardia (heart) and the genus Myrtus L., referring to the heart-shaped leaves in this myrtaceous group. Heart-shaped leaves are rare in Chamelaucieae but occur in three of the five species of Hypocalymma sect. Cardiomyrtus, including the type species H. cordifolium.

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