Date de publication : Linnaea 9: 222. 1834.

Type : "Sellow. Brasilia intertropica" [protologue].
Brésil, s. loc., s. d., Sellow s.n. (HT: LE [photo: MO]; IT: G [fragment]).
Zappi (Kew Bull. 58: 524) reported the holotype deposited at B and subsequently destroyed, and designated the duplicate at LE as the lectotype; however Chamisso's main herbarium is reported by TaxLit to be deposited at LE so the specimen at LE migth be considered the holotype.