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 = 734852] Psychotria coussareoides Standl., 1931

 

Source de la synonymie
Taylor, C. M., Bruniera, C. P., & Zappi, D. C. 2015. Taxonomic transfers in Neotropical Palicoureeae: new combinations in Rudgea and Palicourea. Kew Bulletin, 70(4): 45. [CD_REF = 887439] Rudgea coussareoides (Standl.) C.M.Taylor, Bruniera & Zappi, 2015

 

Source de la synonymie
Lachenaud, O., Bruniera, C. & Zappi, D. 2022. The Rudgea hostmanniana complex (Rubiaceae) in the Guiana Shield region. Phytotaxa, 561(3): 219-242. [CD_REF = 887439] Rudgea coussareoides (Standl.) C.M.Taylor, Bruniera & Zappi, 2015

 

Date de publication : Mem. New York Bot. Gard. 23: 496. 1972.

Type : Venezuela, Bolívar, Cerro Venamo (partie SO, environs de la frontière avec le Guyana), a lo largo del afluente izquierdo (E) subiendo el Río Venamo desde el campamento cerca de la unión con el afluente derecho (O) del Río Venamo, 950-1000 m, 10/01/1964, fleurs. Tree 5 m. Leaves subcoriaceous. Dark green above. Dull green below. Rachis pale green. Flowers white. J.A. Steyermark, G.C.K. Dunsterville & E. Dunsterville 92929 (HT: VEN62981; IT: NY00132651).
Venezuela, Bolívar, Cerro Venamo, NO slopes, between road campamento 125 and beginning of dwarf forest above sandstone bluffs above waterfall, 1100-1300 m, 14/04/1960. Tree 5 m tall. Leaves chartaceous, dark green above, pale green below. Peduncle and rachis dark purple. J.A. Steyermark & S. Nilsson 127 (PT: VEN79009).