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Collector Balslev, H.
Number 8402
Collected with D. Pedersen, M.V. Sørensen, A.K. Brunbjerg & C. Grández
Country Peru
Subpart Madre de Dios
County  
Locality Tahuamanu province. 176 km N of Puerto Maldonado, 11 km S of Iñapari. Along Interoceanica nr 1. Primary forest on tierra firme
Coordinates 11° 1' 41.1'' S 69° 33' 49.5'' W
Minimum elevation (m) 305
Maximum elevation (m) 305
Start date 2011/04/04
End date 2011/04/04
Family Arecaceae
Identification Chamaedorea pinnatifrons (Jacq.)Oerst.
Determined by Henrik Balslev
Identification qualifier  
Field notes Solitary understory palm. Stem 113 cm high, 1.3 cm thick; internodes 11-12 cm long, < stem diameter, green, smooth. Base of stem with more than 16 visible roots, 9-21 cm long, 0.5 cm wide, with 0.2 cm long spines. Leaves 7 per stem; sheath 15 cm long, closed; petiole 12 cm long, section round; rachis 41.5 cm long; lamina pinnate, 54 cm long, 43 cm wide, flat, glabrous; pinnae 4 per side, insertion irregular; basal pinna 17 cm long, middle pinna 24 cm long, apical pinna 16 cm long. Infructescence infrafoliar; prophyll 20 cm long, 2.5 cm wide, papery; peduncular bracts 4-6.5 cm long, inserted 4, 9, 18, 24 and 33 cm from base, brown, papery; peduncle 45 cm long, 0.5 cm wide; rachis 5 cm long, 0.5 cm wide; rachillae 7 per rachis, 12-15 cm long. Fruits 0.5 cm long, 0.4 cm wide, orange, becoming black. Silica gel sample taken. Transect: HB 427, subunit no. 58, inside transect

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