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<taxonx xmlns:dc="http://digir.net/schema/conceptual/darwin/core/2.0" xmlns:mods="http://www.loc.gov/mods/v3" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
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<taxonxHeader>
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<mods:mods>
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<mods:titleInfo>
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<mods:title>Manual to the palms of Ecuador</mods:title>
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</mods:titleInfo>
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<mods:name type="personal">
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<mods:namePart type="family">Borchsenius</mods:namePart>
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<mods:namePart type="given">F.</mods:namePart>
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<role>
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<roleTerm type="text">author</roleTerm>
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<roleTerm type="code">aut</roleTerm>
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</role>
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</mods:name>
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<mods:name type="personal">
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<mods:namePart type="family">Pedersen</mods:namePart>
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<mods:namePart type="given">H.B.</mods:namePart>
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<role>
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<roleTerm type="text">author</roleTerm>
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<roleTerm type="code">aut</roleTerm>
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</role>
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</mods:name>
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<mods:name type="personal">
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<mods:namePart type="family">Balslev</mods:namePart>
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<mods:namePart type="given">H.</mods:namePart>
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<role>
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<roleTerm type="text">author</roleTerm>
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<roleTerm type="code">aut</roleTerm>
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</role>
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</mods:name>
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<mods:originInfo>
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<mods:publisher>AAU Reports 37. Department of Systematic Botany, University of Aarhus, Denmark in collaboration with Pontificia Universidad Cat�lica del Ecuador</mods:publisher>
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<mods:dateIssued>1998</mods:dateIssued>
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</mods:originInfo>
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</mods:mods>
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</taxonxHeader>
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<taxonxBody>
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<treatment rank="species">
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<nomenclature>
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<name>Astrocaryum urostachys</name>
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<author>Burret</author>
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<citation>Repert. Spec. Nov. Regni Veg. 35: 151 (1934)</citation>
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</nomenclature>
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<div type="introduction"><p></p></div>
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<div type="etymology"><p></p></div>
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<div type="vernacular"><p></p></div>
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<div type="description"><p>Understorey or subcanopy palm. Stem short, or rarely to 10 m tall, and ca. 20 cm in diameter. Leaves spreading, usually with leaf axis twisting so that the distal part of the blade is held vertically, to 8 m long; pinnae to 130 on each side, regularly inserted in one plane, straight, grey or brownish white below. Inflorescences erect, to 150 cm long; branches to 250, to 15 cm long, each with one solitary ca. 15 mm long female flower at base. Male flowers 3-4 mm long. Fruits 6-9 cm long, more or less pear shaped, covered with brown to black bristles, distally with a ca. 1 cm long beak.</p></div>
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<div type="distribution"><p>W part of the Amazon basin in Ecuador. Endemic. The species appears to have a preference for poorly drained or periodically inundated soils, but can also be found on terra firme.</p></div>
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<div type="biology_ecology"><p></p></div>
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<div type="conservation"><p>Lower risk/least concern (Borchsenius & Skov 1999).</p></div>
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<div type="uses"><p></p></div>
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<div type="discussion"><p>This species is sometimes treated as a variety of Astrocaryum murumuru Mart. If recognised as a separate species it can be regarded as a western segregate characterised by having clustering stems, bristly fruits, and female flowers with non-spiny calyx of approximately the same length as the corolla. Notes for Ecuador. The only Ecuadorian representative of subgenus Monogynanthus.</p></div>
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<div type="materials_examined"><p></p></div>
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</treatment>
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</taxonxBody>
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</taxonx>
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