Monographs Details: Maprounea guyanensis Aubl.
Authority: Maguire, Bassett. 1967. The botany of the Guayana Highland--Part VII. Mem. New York Bot. Gard. 17: 1-439.
Family:Euphorbiaceae
Description:Distribution and Ecology - Small monoecious tree or shrub of low altitudes, frequent from Trinidad along the east coast of South America to Rio de Janeiro, in the 3 Guianas, also in Bolivia and Peru. FRENCH GUIANA. Without detailed locality, Dbh (ex herb. Paris, male NY); without locality and collector, S. 19 (ex herb. Paris, NY); Campo de Panoura, 30 Oct 1954, Black A Klein 17424 (juv. fr.) ; infrequent in primary forest on Montagne de Mahury, near Cayenne, alt 130-170 m, Cowan 38849 (male NY). SURINAME. Without locality, 1846, Hostmann & Kappler 996 (male NY); Zanderij, Sep 1842, Nov. 1842, May 1844, No. 27 (sterile, and male, female NY); Surinam River, near Kabelstation, 16 Nov 1933, Lanjouw 1314 (juv. NY); Watra-miri, Arbor 1539, 10 Dec 1919, 29 Oct 1919, Herb. n. 3502, 4442 (sterile NY) ; Sectie O, Arbor 619, 9 Nov 1920, Herb. n. 4758 (juv. male NY) ; Kaboerie, Arbor 667, 2 Nov 1920, Herb. n. 4861 (fr. NY); Saramacca River headquarters, line between Camps 3 and 2, Km 7, 30 Sep 1944, Maguire 24873 NY). BRITISH GUIANA. Bartica, Oct 1888, Jenman 5961 (fr. NY); upper Mazaruni River, about long 60°10'W, 22 Sep-6 Oct 1922, De La Cruz 2293 (fr. NY); sandhill, Akyma, June 1924, Persaud (male NY); Morabelli Creek, near Bartica, alt near sea level, 7 Nov 1929, Sandwith 567 (fr. NY); north slope, Akarai Mountain drainage of Skodikar Creek, alt 300-600 m, 10-20 Jan 1938, A. C. Smith 3008 (fr. NY); Morabelli Creek, loose sand at edge of Kautaballi and wallaba forest, 5 Nov 1940, Fanshawe 594, Record No. 3330 (male, female NY); 107 m, Bartica-Potaro road, 13 Nov 1943, Fanshawe 1474, Rec. No. 4210 (fr. NY); Kaieteur Plateau, bush island on savanna, 14 May 1944, Maguire & Fanshawe 23438 NY). VENEZUELA. Bolivar: vicinity of Santa Teresita de Kavanayen, alt 1065-1220 m, 14 Dec 1944, Steyermark 60917 (male NY); Hato La Vergarena, at edge of morichal 0.5-1 km E of ranch house, alt 390 m, 3 Apr 1955, Wurdack 256 (male,female NY); Cerro Paja and Cerro Los Bloques (Guacuripia) 25 km E of Upata, alt 370-400 m, 27 Apr 1955, Wurdack & F. W Wright 377 (male, female NY); locally frequent, edges of morichal and savanna at east base of Piedra Marimare, 2 km E of Orinoco, alt 100 m, 20 Dec 1955, Wurdack & Monachino 40786 (male, female fr.NY); Cerro Cotorra (El Vigia), forested slopes along south side of Rio Paragua, between La Paragua and San Pedro de Las Bocas, alt 600 m, 5 Aug 1960, Steyermark 86876 (fr. NY) ; Amazonas: Rio Guainia, frequent, sabanita at Victorino, alt 135 m, 14 Apr 1953, Maguire & Wurdack 36708 (male, female NY); Cano San Miguel just above Limoncito, 15 km from Rio Guainia, alt 120 m, 28 June 1959, Wurdack & Adderley 43218 (male, female NY); Monagas: La Hormiga area, between La Pica and Cano Colorado E of Maturin, alt 14 -50 m, 24 Sep 1955, Wurdack & Monachino 39441 (sterile NY). BRAZIL. Amazonas: Rio Negro, Sun Gabriel da Cacheira, Spruce 2271; Vaupes, Fires 603; Muyrapenima, Tate 62; Camanaos, Tate 121; Cucuhy, Holt A Geh-riger 363; Manaos, Ducke 435; San Paulo de Olivenca, Krukoff 8904; Humayta, Krukoff 6678, 7067; Para: Santarem, Spruce 791 (?); Belem, Fires 1405; Oya-pock Airfield, Cowan 38668; Tapajos, Egler 930; Belem, Pi res 51745; Maranhao: Isl. Sao Juiz, Froes 11639, 11657; Guanabara: Vista Chineza, Paulino e Vitorio 111178, 111179; District Federal Goias: Plano Piloto, Hcringer 23502. COLOMBIA. Tolima: Between Caucho and Rio Negro, Little 7179; Mariquita, Magdalena Valley, alt 700 m, Triana 3563. PERU. San Martin: 'near Moyo-bamba, alt 1110 m, Klug 3744. BOLIVIA. Near Yungas, Rnsbi/ 1176; Songo, Bang 831; San Josa, Apolo, Williams 333, 334; La Paz, Prov. Larecaja alt 850950 m, Krukoff 11056.

Discussion:

Type. “Habitat Caiennae in pratis praedii Loyola” (photo of BM type in NY).

Distribution:French Guiana South America| Suriname South America| Guyana South America| Venezuela South America| Colombia South America| Bolivia South America| Brazil South America|