Palm reading: a pilot study to discriminate phytoliths of four Arecaceae (Palmae) taxa |
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Authors: | Rohan S.H. Fenwick Carol J. LentferMarshall I. Weisler |
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Affiliation: | School of Social Science, The University of Queensland, Brisbane, QLD 4072, Australia |
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Abstract: | A pilot study of an opal phytolith morphotype series diagnostic for palms (Arecaceae), using modern specimens of four economically important palm species (Areca catechu L., Calamus aruensis Becc., Cocos nucifera L., and Metroxylon sagu Rottb.), was undertaken to identify distinctive features of leaf phytoliths from each taxon. Our univariate and multivariate analyses documented that although it was not possible to identify individual palm phytoliths unambiguously to taxon, interspecific differences in phytolith morphology significantly outweighed intraspecific variation, revealing the potential value of further research in this area and the possible utility of assemblage-level analysis to palm phytoliths in archæological assemblages. The methods are applied to archæological phytoliths from Watom Island, East New Britain, Papua New Guinea, and directions for further research outlined. |
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Keywords: | Areca catechu Arecaceae Calamus aruensis Cocos nucifera Horticulture Lapita Metroxylon sagu Opal phytoliths Palms Watom |
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