4.1.34. Macropsychanthus ucayalinus (Harms) L.P. Queiroz & Snak comb. nov.

Basionym: Dioclea ucayalina Harms, Notizbl. Bot. Gart. Berlin-Dahlem 9: 262. 1925. Type: Peru, middle Ucayali, Yarina Cocha, Tessmann 3464 (holotype: B† [photo F! [F0BN002411]; lectotype, designated here from the isotypes: S! [S-R-9711]; isolectotypes: G! [00364004], NY! [00007748], US! [00004646]).