The history of the nomenclature of Cadia has been compiled. Cadia, which is judged to belong in Caesalpiniaceae, has six species, all except one indigenous in Madagascar. A key is given, the geographical distribution mapped; Platycelyphium Harms and Dicraeopetalum Harms, which belong in Papilionaceae, are surveyed.

Acta botanica neerlandica

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Koninklijke Nederlandse Botanische Vereniging

L.J.G. van der Maesen. (1970). Primitiae Africanae. VIII. A revision of the genus Cadia Forskål (Caes.) and some remarks regarding Dicraeopetalum Harms (Pap.) and Platycelyphium Harms (Pap.). Acta botanica neerlandica, 19(2), 227–248.