| Locality | Prov. Pachitea, region of Pucallpa, western part of the “Sira mountains” and adjacent lowland, ca. 26 km S of Puerto Inca, next to the junction of the Rio Pachitea and Rio Yuyapichis, biological field station “Panguana”. Primary lowland rain forest with some xeromorphic elements, partly low, partly disturbed by local agriculture and logging. Soils: white sands or brown latosols with rocky outcrops |
| Field notes | Clustered palm (1-5 stems) of the subcanopy, up to 15m. Ste: up to 14m lenght, 12-15cm in diameter; internodes +/- 20cm long, covered with 2-4cm long black spines. Leaves: +/- 10 leaves; total lenght +/- 450cm; sheaths: +/- 70cm long, greyish-brown; basally enclosing half the stem, distally splitting into fibres opposite of the petiole, rapidly decreasing in its width and in its end curved outwards; abaxially with short black spines (max. 1.5cm); petiole: +/- 60cm long, adaxially bright brown, abaxially greyish-brown, with short black spines, basally 60x25mm, terminal 30x20mm in diameter; rachis: +/- 280cm long, green, on its abaxial side armed with short spines (Decreasing in size and number towards terminal, changing colour to very light brown); +/- 100 pinnae per side, these in groups of +/- 10 and +/- opposite, held in different planes. Inflorescence/infructescence: single, infrafoliar, curved downwards, branched to 1st order, monoeceous, protogynous; peduncle +/- 30cm long, green with brown indumentum, bearing prophyll (+/-25cm long, dark-brown) and the persisting 1st peduncular bract (60-70cm long, green-brown, later brown, armed with fine, dark-brown to black short (up to 1cm) spines especially on its distal part); 4-6 more small bracts on the peduncle; rachis: 18-21cm, greenish-white with light-brown indumentum, bearing +/- 45 whitish, spirally arranged rachillae, 21-28cm long; flowers: female yellowish, male flowers whitish, female flowers scattered in triads in the mainly male rachillae, the distal 1/3 only with male flowers; fruit mature orange-red or red, +/-2.5cm in diameter with an apical stigmatic remain and persisting perianth (green); endocarp woody, 16x13mm, with 3 germspores |