4.1.11. Macropsychanthus flexuosus (Ducke) L.P. Queiroz & Snak comb. nov.

Basionym: Dioclea flexuosa Ducke, Arch. Jard. Bot. Rio de Janeiro 4: 92-93. 1925. Type: Brazil, Pará, Rio Branco de Óbidos, Ducke s.n. RB 17271 (holotype: RB! [00616992]; isotypes: RB! [00540232], RB! [00616991]).