Statut pour la Guyane française
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. [GF = N]

 

Orthographe : Orthographe originale "appressa". On trouve parfois, par erreur "adpressa" ou "apressa".

Type : Guyana, Essequibo [fide K], moist savannas, 1836, low plant, flowers yellowish-white, R.H.Schomburgk I.81 (HT: BM000027053; IT: BR0000008633798, BR0000008633460, BR0000008633798, G00440351, G00440353, GH00025990, K000590975, K000590976, NY00022338, P00733368, P00733369, P00733370, U0252656, US00108901, W0023107, W18890108390A).