| Locality | Dept. Huanuco, 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 | habit: clustered palm (1-4 stems) of the understory, up to 4.5m, frequently 2-3m. Stem: up to 4m length, +/- 2.5cm in diameter; stem without spines, internodes 2-4cm long leaves: (4)-5-(6) leaves; total length +/- 200cm (variability of one individual: 155-260cm); sheaths: +/- 30cm long, dark-brown with short hairy spines; banally enclosing the stem, distally splitting into fibres opposite of the petiole, abaxially with black spines (0.5-2cm); petiole: 50-60cm long, dark brown with short hairy spines, banally with black spines, 14xjmm, distally without such spines, 7x7mm; rachis: +/- 130cm long, greenish brown with decreasing number of hairy spines, bearing 15-20 pinnae per side, within the rachis arranged in alternate groups of 2-4 leaflets infructescence: single, interfoliar, curved downwards, branched to 1st order; peduncle: 22cm long, greenish brown with short hairlike brown spines, bearing prophyll (18cm long, dark-brown) and the persisting 1st peduncular bract (43cm long, brown, densly beset with dark-brown spines [+/- 1cm] and thin, hairlike whitish spines); rachis: 4.5cm, green, without such hairy spines, bearing 11 green, spirally arranged rachillae, 8.5-14cm long; fruit: light green (still immature), 2.5cm in diameter with a prominent apical stigmatic remain and persisting perianth |
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