Monographs Details: Aparisthmium cordatum (A.Juss.) Baill.
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 - Tropical South America, frequent in secondary forest up to altitude 200 m, distributed as follows: Andes: southern Colombia, Ecuador, Peru, Bolivia; Venezuela: Amazonas, Bolivar; Guianas; Hylaea; southern Brazil: Minas, Rio de Janeiro, Santa Catarina. COLOMBIA. Sur de Santander, vicinity of Barranca Bermeja, Magdalena valley between Sogamoso and Colorado Rivers, alt 100-500m, 18 Jan 1935, Oscar Haught 1522 (fr. NY); Putumayo: Umbria lat 0°54'N, long 26°10'W, alt 325 m, Oct-Nov 1930, Klug 1745 (male NY); Caqueta: Solano, 8 km SE of Tres Esquinas, on Rio Caqueta below mouth of Rio Orteguaza, alt 200 m, 3 Mar 1945, Little & Little 9510 (male NY). VENEZUELA. Amazonas: Esmeralda, middle camp, new growth in burned forest, alt about 325 ft, 8 Nov 1929, Tate 343 (male NY); Rio Negro, Santa Isabel, 10 Apr 1929, Tate 977 (male NY), 988 (female NY), 989 (female NY); Yavita, alt 128 m, 27 Jan 1942, Llewelyn Williams 14015 (male NY); Tamatama, alto Orinoco, alt 125 m, 12 Jun 1942, Llewelyn Williams 15833 (type of Alchornea orinocensis Croiz. female A), Cano Guasuriapa, 1 km above San Fernando de Atabapo at alt 100 m, 16 Nov 1953, Maguire, Wurdack & Bunting 36244 (male NY); along Yavita-Pimichin trail near Pimichin, Rio Guainia, alt 120-140 m, 21 Nov 1953, Maguire, Wurdack & Bunting 36309 (male NY); savanna edge, Sabana de Morocoto just W of Cerro Morocoto, Rio Orinoco below San Fernando de Atabapo, alt 150 m, 25 Apr 1954, J. Silverio Level 17 (male NY); Bolivar: Sierra de Lema, rainforest in valley lowland between Rio Chicanan and Rio Ayaiche between Puerta Lema and base of Sierra, alt 300 m, 24 Aug 1961, Steyermark 89444 (fr. NY); Sierra Ichun, north of Ichun falls, alt 625-725 m, 27 Dec 1961, Steyermark 90260 (male NY). BRAZIL. Amazonas: in vicinibus Barra, prov. Rio Negro, Dec-Mar 1950-1, R. Spruce s.n. (female NY); Municipality Humayta near Livramento, 12 Oct-6 Nov 1934, Krukoff 6826 (male NY); Municipality Mani-core, near Sante Fe, 8-11 Sep 1934, Krukoff 6040 (male NY); Municipality Sao Paulo de Olivenca, 26 Octr-11 Dec 1936, Krukoff 8998 (female NY), Krukoff 8726 (male NY); Manaos, alt 25 m, 13 Oct 1929, Killip & Smith 30116 NY); Manaos, Cachoeira Grande, 22 Nov 1942, Ducke 1048 (2 NY; Para: Ilha do Mosqueiro, near Para, 3-9 Nov 1929, Killip & Smith 30442 (female NY); 1 mile SW of the Instituto Agro-nomico do Norte (I.A.N.), Belem, 15 Dec 1942, Archer 7975 (2 NY); Belem, on lands of I.A.N., 0.5 km SE of Administration Building, 31 Dec 1943, Antonio Silva 3 (2 NY) ; Belem, vicinity of I.A.N., 5 Sep 1945, Froes 19903 (juv. NY); Belem, vicinity of, Sep-Oct 1961, Pires 51902 (male NY). BRITISH GUIANA. Upper Demerara River, Sep 1889, Jenman 4068 (male NY), Jan 1896, Jenman 6856 (male NY); Yawakuri forest belts, along the Berbice-Rupununi cattle trail, Berbice or Demerara county, 4 Jun 1919, Abraham 169 (2 NY); Tumatumari, Potaro River, lat 5°20'N, 3-5 Jan 1920, Hitchcock 17357 NY), 17368 (female NY); Tumatumari, dense upland forest, 18 Jun-8 Jul 1921, Gleason 308 (fr. NY); northern slope of Akarai Mts., in drainage of Shodikar Creek, dense forest, alt 300-600 m, 10-20 Jan 1938, A. C. Smith 2920 (male NY); Mahdia River, Potaro River 107 miles Bartica-Potaro Road, 8 Jan 1943, Field No. F924, Record No. 3720 (female NY); Iramaipang, Kanuku Mts., alt 1500 ft, Nov 1948, Field No. WB 541, Record No. 5940 (male NY); vicinity E of Ituni, 35 miles S of Mackenzie, 17 Jan 1955, Cowan 39232 NY), 39245 (2 fr. NY); Pakaraima Mts., Kamana Falls, 1-2 miles below Falls, sandstone and conglomerate, alt 2200 m, 24 Aug 1961, Maguire, Maguire & Wilson-Browne 45934-A (ft. NY). FRENCH GUIANA. Vicinity of Camp, alt 275 m, 11 Dec. 1954, Cowan 38704 (male NY) SURINAME. Zanderij I, Arbor 99, 15 Jan 1916, Collector c! 1542 (J NY) ; Sectie O, Arbor 768, 9 Feb 1916, Collector ? 1602 (fr. NY); Zanderij I, Arbor 99, 10 Jan 1918, Collector ? 3579 (female NY); edge of dry savanna, Wayombo River, 14 Nov 1923, Linder 87 (male NY); Tafleberg, Arrowhead Basin, alt 625 m, 23 Aug 1944, Maguire 24454 (male NY); Saramaeca River headwaters, tree overhanging Tafelberg Creek, 6 Oct 1944, Maguire 24899male NY); Zanderij I, 28 Apr 1945, Wood herbarium 294 (sterile NY); Tibiti savanna, margin of forest near Km 1.6, 2nd line, 10 Jan 1949, Lanjouw & Linde-man 1743 (male, female NY), 1744 (male NY), Zanderij, creek forest, 21 Dec 1950, Flor-sckutz 746 (male NY); Zanderij I, nursery of Bosbeheer, 22 Dec 1950, Florschutz 827 (female NY); Zanderij, land of Bosbeheer, 10 Feb 1964, Lems 5074 (fr. NY). BOLIVIA. Near Yungas, alt 4000 ft, 1885, Rusby 1223 (fr. NY); Tumuposa, alt 1800 ft, 10 Dec 1901, Williams 336 (female NY); Rurrenabaque, alt 1000 ft, 23 Nov 1921, Rusby 1788 (female NY); region de Mapin, San Carlos, alt 700 m, 1 Dec 1926, Buchtien 839 NY). PERU. Loreto: Mishayacu near Iquitos, alt 100 m, Oct- Nov 1929, Klug 252 NY); Feb-Mar 1930, Klug 1042 (male NY); Sierra del Pongo, alt 500 m, 15 Dec 1931, Alexia 6273 (male NY), 6274 (female NY); Iquitos, alt 100 m, 3-11 Aug 1929, Killip & Smith 27298 (fr. NY), 27313 (male NY); Mishayacu near Iquitos, alt 100 m, 24-28 Sep 1929, Killip & Smith 29904 (male NY); Iquitos, Tessmann 3527 (female NY); Junin: Puerto Yessup, alt 400 m, 10-12 July 1929, Killip & Smith 26285 (male NY). ECUADOR. Guayas: Teresita, 3 km W of Bucay, alt 270 m, 5-7 Jul 1923, Hitchcock 20490 NY); Santiago-Zamora: Taisha, alt 1500 ft, 25 Jan 1962, Caralet & Pennington 7507 (fr. NY).

Discussion:

Conceveibum cordatum Juss., Euphorb. Tentamen 43, t. 13, f. 42a. 1824.

Alchornea orinocensis Croizat, Jour. Arnold Arb. 26: 191. 1945. (See also Croizat, Bull. Torrey Club 75 : 403. 1948.)

Type. Conceveibum cordatum. Herb. Rich, as quoted by Jussieu. Not seen.

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