Emmotum orbiculatum (Benth.) Miers in Ann. Mag. Nat. Hist. 10: 178. 1852 sec. A.M.W. Mennega & al. 1994
- ≡Pogopetalum orbiculatum Benth. in Trans. Linn. Soc. London 18: 685. 1841
- Unknown type category: Ro. Schomburgk I 231
- =Emmotum holosericeum Ducke in Arq. lnst. Bioi. Veg. 4: 45. 1938
- Isotype: Brazil, Amazonas, Borba, Rfo Madeira, Ducke HJBR 35548
