Monographs Details: Cosmibuena grandiflora (Ruiz & Pav.) Rusby var. grandiflora
Authority: Maguire, Bassett. 1972. The botany of the Guayana Highland--part IX. Mem. New York Bot. Gard. 23: 1-832.
Family:Rubiaceae
Description:Distribution and Ecology - Distribution. British Guiana and Venezuela to Colombia south to Brazil and Bolivia. BRITISH GUIANA. Samwarakna-tipu (Holi-tipu), Kamarang River-Wenamu trail, 10 Nov 1951, Maguire & Fanshawe 32511; Northwest District, Mt. Everard, 12 Feb 1922, de La Cruz 1318; Essequibo River: Moraballi Creek, near Bartica, near sea level, 2 Sep 1929, Sandwith 166; Fallo of the Rio Quitaro, Schomburgk 553 (type of Buena triflora Benth.); Yarikita Police Station, along Amakura River, junction of Yarikita and Amakura rivers, 17-18 Jan 1920, Hitchcock 17619; Kaieteur Plateau, 5 May 1944, Maguire & Fanshawe 23226. VENEZUELA. Bolívar: north portion of Cerro Uroi, Alto Río Cuyuni, Río Chicanan, alt 250-400 m, 12 Sep 1962, B. Maguire, Steyermark & C. K. Maguire 53736; Quebrada Piton, Cerro Piton, Cordillera Epicara, Río Chicanan, Alto Río Cuyuni, 9-11 Sep 1962, B. Maguire, Steyermark & C. K. Maguire 53710; same locality, 3 Sep 1962, B. Maguire, Steyermark & C. K. Maguire 53574; vicinity of Mt. Roraima, Schomburgk 995; cloud forest, summit of SE-facing escarpment E of Cerro El Picacho, N of Las Nieves and Las Chicharras, 45 km N of Tumeremo, vicinity of Deborah, Altiplanicie de Nuria, alt 600-650 m, 5-8 Feb 1961, Steyermark 89044; summit of W-facing wooded escarpment, E of Miamo, Hato de Nuria, Altiplanicie de Nuria, alt 400-550 m, 25 Jan 1961, Steyermark 88859; vicinity of km 100 S of El Dorado, NE of Luepa, alt 800-900 m, 6-11 Mar 1962, Steyermark & Aristeguieta 105; Salto de Para, Medio Caura, alt 300 m, 7 Mar 1939, Williams 11427; entre rocas arriba del Salto de Para, Medio Caura, alt 320 m, 6 Mar 1939, Williams 11413; bosque alto húmedo montañoso, entre la ladera principal escarpada de arenisca y el salto en el Río Venamo, Cerro Venamo, alt 900-1000 m, 8 Jan 1964, Steyermark & G. C. K. & E. Dunsterville 92875. Territorio Federal Delta Amacuro: Curiapo, selva humeda del Delta Orinoco, 13 Dec 1953, Little & Petit 16004; downstream from Yarakita River, Río Amacuro, Sierra Imataca, Venezuela-Brit. Guiana frontier, alt 65-80 m, 9 Nov 1960, Steyermark 87428. BRAZIL. Terr. Rio Branco: Serra Tepequem, alt 1000-1200 m, 23 Nov 1954, B. & C. K. Maguire 40034; same locality, along southeast escarpment, alt 1000-1200 m, 29 Nov 1954, B. & C. K. Maguire 40082. COLOMBIA. Valle del Cauca: Cauca-Cali, alt 1000-1300 m, Lehmann B. T. 1171; La Cascada cerca a Anchicaya, alt 700 m, Espinal 1919; cerca a la Diana, alt 1500 m, Espinal 1840; cordillera occidental, vertiente oriental, El Saladito, alt 1680 m, 13 Mar 1947, Cuatrecasas 23788; Anchicaya, Zwischen Buenaventura und Cali, alt 400 m, 6 Sep 1956, Vogel 117. Norte de Santander; Balcones, ridge at head of Quebrada de Miraflores, 7 km NNW of Convention, lat 8° 31' N, long 73° 22' W, alt 1400 m, 13 Dec 1943, Fosberg 21407. Santander: Río Suratá Valley, between El Jaboncillo and Suratá, alt 1500-1800 m, 3 Jan 1927, Killip & Smith 16424. Tolima: inter cerca de Piedras and Ibague, alt 1100 m, 3 Mar 1876, Andre 1976. Cundinamarca: Guaduas, Bogotá, Karsten s n. PERU. prope Tarapoto, 1855-6, Spruce 4179; ad Pozuzo, Ruiz 240 (photo of type of Cosmibuena obtusifolia). BOLIVIA. La Paz: prov. S. Yungas, basin of Río Bopi, San Bartolome (near Calisaya), alt 750-900 m, 1-22 Jul 1939, Krukoff 10418; Mapiri, alt 757 m, May 1886, Rusby 2103; Bang 2055.

Discussion:

Cosmibuena grandiflora (R. & P.) Rusby, Bull. N. Y. Bot. Gard. 4: 368. 1907.

Cinchona grandiflora R. & P., Fl. Peruv. 2: 54. pl. 198. 1799.

Buena triflora Benth., Hook. Jour. Bot. 3: 216. 1841.

Cosmibuena arborea Standi., Contr. U. S. Nat. Herb. 17: 447. 1914.

Cosmibuena triflora (Benth.) Klotzsch in Hayne, Arzneigew. 14: sub pl. 15. 1843.

Cosmibuena obtusifolia R. & P., Fl. Peruv. 3: 3 pl. 198. 1802.

Type. In Andes of Peru, “ad Pozuzo et S. Antonii de Playa grande,” Dept. Huanuco, Ruiz & Pavon.

Distribution:Guyana South America| Venezuela South America| Colombia South America| Brazil South America| Bolivia South America|