Combretum laxum Jacq., Enum. Syst.: Pl. 19. 1760 sec. B. Ståhl & al. 2009
Holotype: Dominican Republic, Jacquin s.n. ()
- =Combretum obtusifolium Rich. in Actes Soc. Hist. Nat. Paris 1: 108. 1792
Holotype: Leblond s.n. ()
- =Combretum puberum Rich. in Actes Soc. Hist. Nat. Paris 1: 108. 1792
Holotype: Leblond s.n. (; isotypes: , P)
- =Combretum glabrum DC. in Prodr. 3: 19. 1828
- =Combretum terminalioides Steud. in Flora 26: 762. 1843
- =Combretum accedens Van Heurck & Müll. Arg. in Van Heurck, Observ. Bot. 2: 234. 1871
Holotype: without collector (; isotype: )
- =Combretum brunnescens Gleason in Bull. Torrey Bot. Club 53: 291. 1926
Holotype: Guyana, NW-Distr., along Amacura R., de la Cruz 3566 ()
- =Combretum fulgens Gleason in Bull. Torrey Bot. Club 53: 292. 1926
Holotype: Guyana, Upper Mazaruni R., Kamakusa, de la Cruz 4129 (; isotype: )
- =Combretum ulei Exell in Bot. 55: 132. 1953
Holotype: Brazil, Amazonas, Rio Juruá, Maray, Ule 5075 (; isotypes: , L)
