2.2. 1. Burdachia A. Juss. ex Endl., Gen. Pl.: 1064. 1840.

Fig. 10 N

= Tetrapodenia Gleason, Bull. Torrey Bot. Club 53: 289. 1926. Type species: Tetrapodenia glandifera Gleason (= Burdachia sphaerocarpa A. Juss.).

Type species.

Burdachia prismatocarpa A. Juss.

Notes.

Burdachia comprises only six currently accepted species (one threatened species; Suppl. material 1) of trees or shrubs endemic to flooded forests of the Amazon rainforests of Brazil, Colombia, Guyana, Peru, and Venezuela, South America (POWO 2024). For an identification key for all species of Burdachia, see Almeida et al. (2020) for Brazil or Anderson (1981) for the Guyana Highland.