Monographs Details: Amaioua guianensis Aubl. var. guianensis
Authority: Maguire, Bassett. 1965. The Botany of the Guayana Highland. Mem. New York Bot. Gard. 12 (3): 1-285.
Family:Rubiaceae
Description:Distribution and Ecology - Distribution. Venezuela, British, Dutch and French Guiana, Amazonian Brazil, Bolivia, and Amazonian Peru. VENEZUELA. Manoa, Delta Amacuro, Rusby & Squires 314; Cerro La Reforma, north of El Palmar, estado Bolivar, Steyermark 88081, 88083; Rio Toro, estado Bolivar, Steyermark 88146; Isla de El Raton, Amazonas, WUliams 13195. BRITISH GUIANA. Essequibo River, Maguire d' Fanshawe 22930; Camoonie Creek, Persaud 144; Bartica, de La Cruz 1918; Moruka River, de La Cruz 4532; Caracara Creek, Persaud 25; Waruni-Ituni, Abraham 130; Demerara River, Jenman 4910, Jenman 1707; Matope-Cuyiini River, Martyn 249. SURINAME. Brownsberg, Zaandam 6930, 6790; Zandery, Samuels 546. FRENCH GUIANA. Maroni, Melinon s. n., 553; Leprieur;"in sylvis prope ainnem Galibiensem" fructum ferebat Maio, photo of type from B G in NY; Acarouany, Sagot 301. BRAZIL. Manaos, Ducke 1179; prov. Rio Negro, Spruce 972, 973, 974, 975. BOLIVIA. Mapiri region, San Carlos, Buchtien 1723; Tipuani-Guanai, Bang 1655. PERU. Mishuyacu, near Iquitos, Klug 852; Balsapuerto, Killip d Smith 28393. The Peruvian collections are both atypical, resembling A. intermedia var. intermeelia. The Killip d Smith 28393 collection has small sessile fruits 10 mm long and 7 mm in diameter. The Klug 852 collection has a sessile cluster of apparently staminate flowers with short ovate corolla-lobes only 2 mm long and the corolla-tube 4.5-5 mm long, while the leaves are short-petioled (3-5 mm long), only 6-7-nerved, and abundantly pubescent below.

Discussion:A. fagifolia Desf. in Mem. Mus. Paris 6: 14. t. 5. 1820, type: French Guiana, Joseph Martin (P).
Distribution:Venezuela South America| Guyana South America| French Guiana South America| Brazil South America| Bolivia South America| Peru South America|