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
- =Combretum puberum Rich. in Actes Soc. Hist. Nat. Paris 1: 108. 1792
- Holotype: Leblond s.n.
- Isotype: Leblond s.n.
- Isotype: Leblond s.n. (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: without collector
- =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
- Isotype: Guyana, Upper Mazaruni R., Kamakusa, de la Cruz 4129
- Holotype: Guyana, Upper Mazaruni R., Kamakusa, de la Cruz 4129
- =Combretum ulei Exell in Bot. 55: 132. 1953
- Isotype: Brazil, Amazonas, Rio Juruá, Maray, Ule 5075
- Holotype: Brazil, Amazonas, Rio Juruá, Maray, Ule 5075
- Isotype: Brazil, Amazonas, Rio Juruá, Maray, Ule 5075 (L)
