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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><mods:title>The Rattans of Sarawak</mods:title></mods:titleInfo>
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<mods:name>
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<mods:namePart type="family">Dransfield</mods:namePart>
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<mods:namePart type="given">J.</mods:namePart>
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</mods:name>
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<mods:originInfo><mods:dateIssued>1992</mods:dateIssued>
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<mods:publisher>Forest Department Sarawak, Malaysia and Royal Botanic Gardens, Kew, UK</mods:publisher>
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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>Calamus hypertrichosus</name>
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<author>Becc.</author>
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<citation>Ann. Roy. Bot. Gard. Calcutta 11 (Suppl.): 17 (1913).</citation>
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</nomenclature>
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<div type="introduction"><p></p></div>
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<div type="etymology" lang="el"><p>Very hairy</p></div>
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<div type="vernacular"><p></p></div>
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<div type="description"><p>Very slender clustering rattan climbing to 3 m only; stem without sheaths 3 -4 mm diam., with sheaths to 6 mm diam., internodes c. 12 cm long. Sheaths dull greenish-brown, unarmed; knee present, rather small; ocrea short, tubular, ± truncate, membranous. Flagellum to 30 cm. Leaf ecirrate to 40 cm; petiole very short or absent; rachis covered in dark brown hairs; leaflets c. 7 on each side of the rachis, rather broad lanceolate with 3 conspicuous veins, the terminal leaflet pair joined for about 21 3 their length, the others ± regular, alternate, the mid leaflets c. 14 x 2.5 cm, the basalmost much shorter and swept back across the stem, all leaflet surfaces densely covered by soft pale hairs, the margins appearing ciliate. Other parts not known (Fig. 76).</p></div>
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<div type="distribution"><p>In Sarawak known only from Semengoh. Elsewhere known only from the type, collected last century by Teysmann in Kalimantan. Endemic to Borneo.</p></div>
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<div type="biology_ecology"><p></p></div>
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<div type="conservation"><p></p></div>
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<div type="uses"><p>None known. This could be a very desirable ornamental.</p></div>
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<div type="discussion"><p>C. hypertrichosus was collected on a hill slope in lowland mixed dipterocarp forest. It is separated from C. javensis by the abundance of soft pale hairs on all leaflet surfaces.</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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