Type : "Crescit in Brasilia aequatoriali ad ripas fluminis Japurá, ibidem lecta a clar. Eq. de Martius. - Floret Decembri. (v. s.)." [protologue].
Brésil, Amazonas, Rio Japurá, prope Paranamir Curucú, 16/12/1819, fleurs et fruits. Frutex scandens ramis et fol. ovatis serratis asperis, parviculis florum axill. et terminalibus magnis. Cal. obscure purpurascens, foliolis 5 obovatis ciliatis, quorum duo extima minora et rematiuscula. Pet. 5 obovata concava reflexapatentia alba. Stam. plurima ima basi connata, filamentis superne dilatatis; anth. arbicularibus didymis compressis. Pist. abortiens in omnibus floribus, quos examinavi. C.F.P. von Martius [Obs.2975] s.n. (HT:
M0212932,
M0212933,
M0212934 [photo: F]).