Aiphanes ulei (Dammer) Burret, Notizbl. Bot. Gart. Berlin-Dahlem 11: 568 (1932)

Primary tabs

http://media.e-taxonomy.eu/palmae/photos/palm_tc_5137_2.jpg

Distribution

Map uses TDWG level 3 distributions (http://www.nhm.ac.uk/hosted_sites/tdwg/geogrphy.html)
Brazil Northpresent (World Checklist of Arecaceae)B
Colombiapresent (World Checklist of Arecaceae)B
Ecuadorpresent (World Checklist of Arecaceae)B
Found in the upper Amazon and on the eastern Andean slopes from southern Colombia to Peru, extending into the westernmost parts of Brazil, reaching 1850 m altitude in central Ecuador, and ca. 1000 m in northern Peru. The species is one of the most widely distributed and most frequently collected in the genus. (Borchsenius, F. and Bernal, R. 1996. Aiphanes (Palmae). Flora Neotropica 70. pp 1-95)A

Habitat

Discussion

Common Name

Description

  • Solitary. Stem 0-6 m tall, 2.5-5 cm diam., armed with black spines, to 7 cm long. Leaves 6-15, erect and arching; sheath 20-35 cm long, densely armed with black spines; petiole 5-70 cm long, with a thin, dark brown, caducous indument, armed as the sheath, less toward apex; rachis 60-180 cm long, with an indument like that on petiole, black spinules, and scattered black spines, to 5 cm long; pinnae 9-14 per side, inserted in pairs or rarely triplets separated by 10-20 cm, broadly cuneate, 1-3(-4) times as long as wide, sometimes strongly plicate along secondary veins, incised to bilobulate praemorse at apex, symmetrical around midrib, distal margin ecaudate, adaxial side dark green and glabrous, abaxial side pale greyish to silverish green, glabrous or minutely spinulose; basal pinnae 11-20 x 2-9 cm; middle pinnae 14-34 x 8-19 cm; apical pinnae 2-5 ribbed, 22-25 x 5-26 cm. Inflorescence interfoliar, erect, normally exserted above crown, all parts with a thin, dark brown, scaly indument; prophyll 21-32 x 1-3 cm; peduncular bract 65-100 cm long, unarmed, soon disintegrating; peduncle 50-100 cm long, 5-10 mm diam. at junction with rachis, densely armed with black or brown spines, to 1(-3) cm long, rarely almost unarmed; rachis 20-40 cm long, unarmed except at base; rachillae 30-40, strongly appressed to rachis, with densely packed flower groups abaxially, without flowers adaxially, covered with minute spinules; basal rachillae 10-15 cm long, adnate to rachis for 3-5 cm or sometimes all their length, with flowers from base, the proximal ? with triads, in this part thickened and flattened, 6-7 mm wide, the remaining part more slender, 1-3 mm wide, with staminale dyads or singles; apical rachillae 1-4 cm long, staminate, briefly adnate to rachis, somewhat spreading, distally with flowers on all sides; flower groups sunken into pits, subtended by fused bracts, forming a rim around the pit. Staminate flowers white to yellow, ca. 1 mm long; sepals cap-shaped, carinate, in bud almost completely enclosing the petals, 1-1.5 mm long; pelals almost free, valvale, 1-1.5 mm long; filaments 0.5-1 mm long, anthers nearly square, 0.5-0.6 x 0.5-0.7 mm; pistillode minute, sunken into the swollen receptacle. Pistillate flowers 2-3 mm long; sepals imbricate. ca. 2 mm long; petals connate ½, valvate distally, 2-2.5 mm long; staminodial cup ca. 1 mm high, nearly truncate; pistil 1.5-2 mm high, glabrous. Fruits globose, strongly rostrate, ca. 7 mm in diam., rostrum 1-2 mm long. (Borchsenius, F. and Bernal, R. 1996. Aiphanes (Palmae). Flora Neotropica 70. pp 1-95)A

Materials Examined

  • COLOMBIA. AMAZONAS: Quebrada Perico, an affluent of Río Igará-Paraná, 25 km S of Los Monos on Río Caquetá, 300 m, 19 Aug 1988 (st), Galeano et al. 1494 (COL); 20 Aug 1988 (fem fl), Galeano &, Angulo 1510 (COL). CAQUETÁ: Morelia, 350 m, 30 Oct 1941 (infl), Sneidern 1260 (S); 15 km N of San Antonio Getuchá, 350 m, 1 Feb 1988 (st), Bernal & Galeano 1406 (COL)
    ECUADOR. MORONA-SANTIAGO: Rd. Macas-Alshi (9 de Octubre), km 8-9 from General Proano, 1400 m, 15 Jul 1985 (fl, imm fr), Balslev & Henderson 60658 (AAU); rd. Plan de Milagro-Gualaceo, km 2, 1850 m, 26 Sep 1987 (infl), Skov, Borchsenius, et al. 64715 (AAU); near Taisha, vicinity of Centro Tuutin Entsa, 330 m, 18 Sep 1985 (infl), Anananch RBAE223 (NY); trail Taisha-Cangaime, I hr. walk W of Taisha, 400 m, 13 May 1986 (fl, fr), Balslev et al. 62200 (AAU. NY); same trail, 30 km SE of Río Pastaza. 400-600 m, 22 Mar 1986, Baker 6805 (NY); rd. Mendez Morona, km 3 past Santiago, 450 m. 27 Nov 1989 (st), Borchsenius & Pedersen 91435 (AAU, QCA, QCNE). NAPO: Estacion Experimental INIAP-Napo, 5 km N of Coca. 250 m, 3 Jul 1986 (st), Palacios et al. 1174 (AAU); same region, Reserva Faunistica EI Chuncho, 6 Oct 1987 (st), Cerón & Palacios 2381 (AAU); rd. Coca-Loreto, km 2-10, Río Payamino, 250 m, 14 Dec 1987 (sl), Cerón & Palacios 3032 (MO); Añangu, 4 hr. downstream from Coca, S bank of Río Napo, 300 m, 25 Jun 1985 (infl), Skov & Pedersen 60601 (AAU); Aug 1985 (fem fl), Balslev el al. 60733 (AAU); (juv), 60581, 60742 (AAU); 11 Apr 1986 (infl), Balslev el al. 62045 (AAU); 4 Nov 1987 (fl, fem fl), Skov, Borchsenius, et al. 64787 (AAU); laguna Pañacocha, 200 m, 19 Apr 1987 (infl), Balslev 62473 (A AU); same region, 2-3 km NE of village. 300 m. 6 Nov 1987 (infl), Skov, Borchsenius, el al. 64795 (AAU); Yasuní National Park, oil well Daimi, 200 m, 1 Jun 1988 (fl), Cerón & Hurtado 4268 (MO); same region, Daimi II, 29 May 1988 (st), Bergmann & Lægaard 67217 (AAU); 30 May 1988 (fl), BergmanfJ & Lægaard 67220 (AAU, QCA); between Tena and Archidona, 400 m, 9 Oct 1939 (fl, imm fr), Asplund 9174 (S); Misahuallí, 2-3 km N of the village, 3 Apr 1987 (st), Balslev 62480 (AAU); Reserva Biológica Jatun Sacha, km 8 from Misahuallí, 500 m, 18 Dec 1986 (imm fr), Hammel 15984 (MO); 8 Nov 1987, Cerón 2621 (MO); 30 Apr 1991 (fl), Ponce 108 (QCA). PASTAZA: S bank of Río Pastaza, opposite Mera, ca. 2 km E of bridge crossing the river, 1300 m. 25 Oct 1987 (infl), Skov & Borchsenius 64776 (AAU); rd. from Mera-Madre Tierra, km 5, 1150 m, 27 Oct 1987 (infl). Skov & Bochsenius 64780 (AAU); rd. Puyo-Arajuno, about 10 km E of Diez de Agosto, 1200 m, 28 Sep 1983, Balslev & Balslev 4418 (NY); same rd., 21 km NE of Puyo-Macas rd., 3/4 hr. walk from EI Triunfo, 1250 m, 24 Oct 1987 (st), Skov & Borchsenius 64771 (AAU). SUCUMBIOS: Dureno on Río Aguarico, 300 m, 10 May 1966 (infl), Pinkley 486 (BH, ECON); 30 Dec 1987 (infl), Cerón & Cerón 3116 (MO); Reserva Faunistica Cuyabeno, Laguna Grande, 300 m, 27 Apr 1986 (juv). Balslev et al. 62067 (AAU); 9 Dec 1987 (infl), Blicher-Mathiesen & Bang-Klitgaard 62606 (AAU); 19 Apr 1988 (infl), Balslev 69053 (AAU). TUNGU-RAHUA: rd. Baños-Mera, km 35, 1450-1550 m, 4 Sep 1976 (infl), Øllgaard & Balslev 9306 (NY).
    PERU. LORETO: Prov. Maynas, Yanomamo, Explorama Tourist Camp on Río Amazonas between Indiana and mouth of Río Napa. 120 m. 27 Jul 1980 (st), Gentry el al. 29148 (MO); Prov. Requena, Genaro Herrera, 180 m, 8 Nov 1982, Mejía 125 (USM); same region, km 15 along the stream "Copal" (fl), Kahn & Mejia 2060 (USM). SAN MARTÍN: Prov. San Martín, rd. Tarapoto-Yurimaguas, km 20, Cerro de Escalero, 980 m, 26 May 1960 (topotype, st), Moore et al. 8529 (BH, USM).
    BRAZIL. ACRE: Mun. Mancio Lima, upper Rio Moa near Igaparé Vitor, 14 Oct 1989 (fr), Henderson et al. 1133 (NY). AMAZONAS: Mun. Atalaia do Norte, Rio Javary, frontier between Brazil and Peru, Estirão do Ecuador, 150 m, 8 Jan 1989 (st). Henderson et al. 846 (NY); 11 Jan 1989 (fl), Henderson et al. 868 (NY). (Borchsenius, F. and Bernal, R. 1996. Aiphanes (Palmae). Flora Neotropica 70. pp 1-95)A

Use Record