Source de la synonymie
Funk, V., Hollowell, T., Berry, P., Kelloff, C. & Alexander, S. N. 2007. Checklist of the Plants of the Guiana Shield (Venezuela: Amazonas, Bolivar, Delta Amacuro; Guyana, Surinam, French Guiana). Contributions from the United States National Herbarium, 55: 1-580. [CD_REF = 740750] Cybianthus fulvopulverulentus subsp. magnoliifolius (Mez) Pipoly, 1983

 

Type : Brésil, Amazonas, "Hylaea, auf campos bei Schaweila Mota", s.d., Ule 8722 (HT: B [détruit, photo: F0BN004831]).
Guyana, Orealla Savanna, Corentyne River, 09/1879, Imthurn B/9 (NT: K [désigné par Pipoly, Sida 18: 64. 1998]; INT: BRG).