AAU Herbarium Database

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Collector Listabarth, C.
Number 1181188
Collected with  
Country Peru
Subpart Huanuco
County  
Locality Prov. Pachitea, region of Pucallpa, western part of the “Sira mountains” and adjacent lowland; ca. 26 km of Puerto Inca, next to the junction of 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
Coordinates 9° 37' S 74° 56' W
Minimum elevation (m) 260
Maximum elevation (m) 260
Start date 1988/11/08
End date 1988/11/08
Family Arecaceae
Identification Bactris bifida Mart.
Determined by  
Identification qualifier  
Field notes Clustered palm (1-3(4)stems) of the understory, often 1.5-2.3m but up to 4m. Stem: up to 2.7m lenght, 14-17 cm in diameter; internodes 6-12cm long and completely unarmed. Leaves: (4)-5-(6) bifid leaves; total lenght 160-220cm (size of leaves differs a lot within one individual and from one induvidual to another); sheaths: 16-28cm long, brown, unarmed or rarely with a few short spines distally; basally enclosing the stem, distally splitting into fibres of the petiole; petiole: 70-100cm long, green with some prominent long (up to 5-8cm) spines; rachis: 45-70 cm long, green, with few single such spines bebeath the blade (but sometimes completely unarmed as well); Inflorescence/infructescence: single, interfoliar, curved, spikate or forked (within one individual!), monoeceous, protogynous; peduncle: 16-20-(25)cm long, yellowish-green with brown indumentum, bearing prophyll (9-13cm long, brown) and the persisting 1st peduncular bract (16-20-(25)cm long, greenish brown, later brown, covered with black, fine, short spines); rachis (=rachilla) white, 4.5-6.5cm long, bearing flowers in triads, the terminal 1/2-1/4 with only male flowers; if forked, the 2nd rachilla is shorter then the 1st (3.5-5cm) and flowers arranged like; flowers: female and male flowers whitish, in some individual distal parts of the petals of male flowers pink; fruit: mature fruit dark violet, +/- 22x12mm, without a conspicuous stigmatic remain and a persisting perianth (green or violet); endocarp woody, 20x9mm with 3 germpores

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