Label
Dept. Huánuco, Prov. Pachitea, region of Pucallpa, western part of the "Sira mountains" and adjacent lowland; from ca. 20 km to ca. 24 km SE of Puerto Inca, crest of the mountain range going west to east from the "Campamento Oro" (9°29' S, 74°50' W; 360 msm) to the "Campamento Sira" (9°28' S, 74°47' W; 800 msm) and continuing to NNE to the beginning of the cloud forest at 1050 msm, next to the "Campamento Pato Rojo" (9°27' S, 74°46' W, 1080 msm).
Alt. 700 m
Habitat
Primary mountain rain forest, having some species and features of the lowland rain forest. Soils: brown and red latosols with rocky outcrops.
Understory of primary montane rain forest on slope, well drained soil, brown latosol with dense cover of leaflitter; these palms grow in dense populations composed of male and female clusters.
Habitus
habit: cespitose dioecious dwarf palm; male cluster, 1,2 m tall; leaves forming an elongate ellipsoid crown; 4 flowering stems and 4 basal shoots; 2-3 inflorescences per shoot.
stems: 40-80 cm long, 4-7 mm in diameter; internodes ca. 2-5,2 cm long, ringed by prominent leafscars, yellowish-green to dark-green.
leaves: 6-9 contemporaneous leaves per stem, 40-45 cm long; sheaths: 5-6 cm long, tubular, obliquely opening opposite the petiole; petiole 8-10,5 cm long; rachis 9-17 cm long; terminal pair of pinnae 13,5-18 cm long, 1,7-2,7 cm wide, 4-5 lateral pinnae per side of the rahics, with one central and two maringal primary veins, both sides of leaflets dark-green, primary veins yellow.
inflorescences: interfoliar, erect to slightly bent, branche to 1 order, single at each node; peduncle 12-20 cm long, flattened; prophyll 3-3,5 cm long, tubular, membranous; first peduncular bract 10-11 cm long, tubular, membranous; 5-8 rachillae 2,5-6,5 cm long, 0,5 mm in diameter, rachillae spreading at anthesis; 4-8 male flowers grouped in rows; petals yellowish-green, margins of the petals dry and black.