2.1. Cymbosema roseum Benth., J. Bot. (Hooker) 2: 60-61. 1840.

Dioclea purpurea Poepp., Nov. Gen. Sp. Pl. 3: 59. 1845. Type: Brazil, Amazonas, Tefé, Poeppig D-2619 (holotype: W! [0048636]).

Dioclea rosea (Benth.) N. Zamora, Novon 10: 179. 2000. Type: based on Cymbosema roseum Benth.

Type.

Brazil: Rio Branco (Roraima), Schomburgk 850 (lectotype, designated by Maxwell 1970: K! [000502745]; isolectotypes: BM! [000931430], F! [V0059084F], K! [000502746], US! [00004551], W! [1889-0020599]).