Monographs Details: Gonzalagunia dicocca subsp. dicocca var. guianensis Steyerm.
Authority: Maguire, Bassett. 1972. The botany of the Guayana Highland--part IX. Mem. New York Bot. Gard. 23: 1-832.
Family:Rubiaceae
Description:Latin Diagnosis - A G. dicocca subsp dicocca var dicocca tubo corollae extus fere ad basin strigilloso differt; calycis lobis 0.7-1.8 × 0.2-0.5 mm paullo angustioribus.

Distribution and Ecology - Distribution. Guianas, Trinidad, Brazil, and Venezuela. TRINIDAD. Near Tabaquite, 4 Oct 1918, Broadway s n; San Fernando, 15 Apr 1874, Kuntze 949. SURINAME. Along Makambie Creek near Km 121 of railroad tracks, 16 Mar 1951, /. & P. A. Florschutz 1731; Hostmann 193. FRENCH GUIANA. Riviere Mana, Saut Fracas, 24 Aug 1962, Halle 665. BRITISH GUIANA. Roraima, 1842-43, Schomburgk 806; Barima River, Mar 1896, Jenman 7134; Camaria road, near junction of Mazaruni and Cuyuni rivers, 30 Jul 1924, Graham 380; Kamuni Creek, Groete Creek, Essequibo River, 21 Apr 1944, Maguire & Fanshawe 22926 A; mora forest bordering Kukui River at Adaro River mouth, Upper Mazaruni Basin, alt 500 m, 5 Sep 1960, S. S. & C. L. Tillett 45292; Issorora, Aruka River, lat 8° 10' N, long 59° 50' W, 16-17 Jan 1920, Hitchcock 17556; Groete Creek, lower Essequibo River, 16 Apr 1943, Fanshawe 1238; Chinee Landing, Barima River, 19 Jul 1952, Fanshawe 3419; Upper Rupununi River, near Dadanawa, lat 2° 45' N, 12 Jun 1922, de la Cruz 1496, 1498; Mt. Everard, Barima River, Oct 1905, Bartlett s n; Cuyuni River, Oct 1904, Bartlett s n; Great Falls, Demerara River, Sep 1889, Jenman 3984; Kamuni Creek, Groete Creek, Essequibo River, 18 Apr 1944, Maguire & Fanshawe 22878. VENEZUELA: below summit of Sierra de Lema, cabeceras de Río Chicanán, 80 km suroeste de El Dorado, lat 6° 5' N, long 62°, alt 690 m, 22 Aug 1961, Steyermark 89392; vicinity of Los Patos, 2 kms SE of Los Patos, N of Río Hacha, about 15 km N of Río Supamo, 30 km S of El Manteco, alt 365 m, 8 Aug 1960, Steyermark 86995; sabanas alrededor de Santa Elena, 1946, Lasser 1493; alrededores de km 88, carretera El Dorado, Nov 1958, Aristeguieta 3765. Terr. Fed. Delta Amacuro: Eleanor Creek, May 1896, Rusby & Squires 121; lower section of inundated forest, Río Cuyubini, alt 90 m, 12 Nov 1960, Steyermark 87520. Falcon: Sierra de San Luis, selva tropófila con peñascos calcáreos cerca del puente de Jobo, entre Curimagua y San Luis, alt 800-900 m, 20 Jul 1967, Steyermark 99245. BRAZIL. Amapa: savanna road to Amapá, Km 134, Agua Azul, 30 Jul 1962, Pires & Cavalcante 52304; lower slopes of Mt. Tipac, Rio Oiapoque, 3° 36' N, 51° 19' W, 11 Oct 1960, Irwin 48659. Terr. Roraima: Dormida, foothills of Serra da Lua, 2° 25-29' N, 60° 11-14' W , 13 Jan 1969, Prance, Steward, Ramas & Farias 9260.

Discussion:

Type. In secondary forest on lateritic soil, Paruima Falls to Paruima Mission, Kamarang River-Wenamu Trail, British Guiana, alt 600 m, 8 Nov 1951, Bassett Maguire & D. B. Fanshawe 32456 (holotype NY, isotype VEN).