2.6. 2. Excentradenia W. R. Anderson, Contr. Univ. Michigan Herb. 21: 29. 1997.

Type species.

Excentradenia adenophora (Sandw.) W. R. Anderson.

Notes.

Excentradenia comprises four currently accepted species (two threatened species; Suppl. material 1) of lianas endemic to non-flooded forests of the Amazon rainforests of Bolivia, Brazil, Guyana, French Guyana, Suriname, and Venezuela, South America (POWO 2024). For an identification key for all species of Excentradenia, see Anderson (1997).