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<p>Arecaceae is considered a majestic family for its medicinal and commercial properties. Anatomical characteristics are significant for taxonomists to identify and classify plant species correctly. The foliar micro-morphologies of 15 Arecaceae plant species were studied and compared using a Light microscope (LM), Scanning electron microscope (SEM), and different statistical tools. Various quantitative&#xa0;characteristics; i.e., length and width of epidermis cells, stomata, guard cells, subsidiary cells, trichomes, and qualitative foliar epidermal characteristics of abaxial and adaxial surfaces including epidermal cell shape, types of stomata, the shape of guard cells, types of trichomes and the shape of silica bodies were investigated. Descriptive statistics (mean, standard deviation, and standard error) and four statistical tools (heat-map analysis, hierarchical cluster analysis, correlation analysis, and principal component Analysis) were applied to the data to highlight the distinctions and similarities among the species. The shape of epidermal cells is found to be polygonal (<i>Borassus flabellifer</i> L<i>., Hyophorbe lagenicaulis</i> L.H.Bailey)H.E.Moore, <i>Archontophoenix alexandrae</i> (F.Muell.) H.Wendl &amp; Drude, <i>Livistonia chinensis</i> Jacq.) R.Br. ex Mart. and <i>Chamaedorea cataractrum</i> Mart.) and Oblique hexangular (<i>Dypsis decaryi (</i>Jum.) Beentje &amp; J.Dransf. and <i>Dypsis lutescens</i>(H.Wendl.) Beentje &amp; J.Dransf. Anomocytic stomata are only found in two species (<i>Syagrus romanzoffiana</i> (Cham.) Glassman and <i>Raphis excelsa</i> (Thunb.) A.Henry, while the remaining species are found to have paracytic or tetracytic stomata. Three types of trichomes were reported for the Arecaceae taxa; i.e., elongated, tubular, and non-glandular. Hierarchical cluster analysis shows a close relationship of the investigated species. The anatomical features demonstrate adequate variation and statistical analysis showed distinctions and delimitations among investigated Areceaea taxa for their correct identification.</p>

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Arecaceae species identification through foliar anatomical features and statistical analysis; a novel taxonomic approach

  • 期刊论文

  • 发表日期：

    2025年3月14日

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  • Hafiza Ayesha Rahim,
  • Shabnum Shaheen,
  • Sana Khalid,
  • Sobia Ilyas,
  • Tahira Alyas,
  • Riffat Siddique,
  • Moona Nazish,
  • M. Ajmal Ali,
  • Jawher Alkahtani,
  • Wajid Zaman

摘要

Arecaceae is considered a majestic family for its medicinal and commercial properties. Anatomical characteristics are significant for taxonomists to identify and classify plant species correctly. The foliar micro-morphologies of 15 Arecaceae plant species were studied and compared using a Light microscope (LM), Scanning electron microscope (SEM), and different statistical tools. Various quantitative characteristics; i.e., length and width of epidermis cells, stomata, guard cells, subsidiary cells, trichomes, and qualitative foliar epidermal characteristics of abaxial and adaxial surfaces including epidermal cell shape, types of stomata, the shape of guard cells, types of trichomes and the shape of silica bodies were investigated. Descriptive statistics (mean, standard deviation, and standard error) and four statistical tools (heat-map analysis, hierarchical cluster analysis, correlation analysis, and principal component Analysis) were applied to the data to highlight the distinctions and similarities among the species. The shape of epidermal cells is found to be polygonal (Borassus flabellifer L., Hyophorbe lagenicaulis L.H.Bailey)H.E.Moore, Archontophoenix alexandrae (F.Muell.) H.Wendl & Drude, Livistonia chinensis Jacq.) R.Br. ex Mart. and Chamaedorea cataractrum Mart.) and Oblique hexangular (Dypsis decaryi (Jum.) Beentje & J.Dransf. and Dypsis lutescens(H.Wendl.) Beentje & J.Dransf. Anomocytic stomata are only found in two species (Syagrus romanzoffiana (Cham.) Glassman and Raphis excelsa (Thunb.) A.Henry, while the remaining species are found to have paracytic or tetracytic stomata. Three types of trichomes were reported for the Arecaceae taxa; i.e., elongated, tubular, and non-glandular. Hierarchical cluster analysis shows a close relationship of the investigated species. The anatomical features demonstrate adequate variation and statistical analysis showed distinctions and delimitations among investigated Areceaea taxa for their correct identification.