Comparative leaf micromorphology and palynology of selected Ruellia L. And Justicia L. species from Acanthaceae family and its taxonomic significances
A leaf micromorphology and palynological study was conducted on the selected Acanthaceae species namely Justicia betonica L, Justicia carnea Lindl., Justicia procumbens (L.) Lam., Ruellia repens L., Ruellia simplex C. Wright and Ruellia tuberosa L. Taxonomists often faced difficulties in identifyi...
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| Main Authors: | , , , , , , |
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| Format: | Article |
| Language: | en en |
| Published: |
Universiti Putra Malaysia
2025
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| Subjects: | |
| Online Access: | http://irep.iium.edu.my/122000/2/122000_Comparative%20leaf%20micromorphology.pdf http://irep.iium.edu.my/122000/3/122000_Comparative%20leaf%20micromorphology_Scopus.pdf http://irep.iium.edu.my/122000/ https://malaysianjournalofmicroscopy.org/ojs/index.php/mjm/article/view/934 |
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| Summary: | A leaf micromorphology and palynological study was conducted on the selected Acanthaceae species
namely Justicia betonica L, Justicia carnea Lindl., Justicia procumbens (L.) Lam., Ruellia repens L., Ruellia
simplex C. Wright and Ruellia tuberosa L. Taxonomists often faced difficulties in identifying and classifying
species within the Acanthaceae family, especially when plant specimens obtained from the field samplings are
incomplete such as the absence of flowers and fruits. Thus, the objective of this study is to identify and list the
characters of leaf micromorphology and palynology that are useful in identification of species in Acanthaceae.
The procedures involved such as dehydration, critical point drying, gold coated and examination under scanning
electron microscope Zeiss Supra 55VP and were analyses using SmartSEM software. Results revealed the
common and variations characteristics of leaf micromorphology that can be useful in identification of species and
genera studied such as type of epicuticular waxes, cuticular ornamentations, stomata characteristics and the
presence of trichomes. Findings in this study also have shown some variations in the pollen morphology that can
be used in species identification and classification. In conclusion, the results have demonstrated that leaf
micromorphology and pollen morphology characteristics have taxonomic significance and can be used as an
additional data especially in identification and classification of species as well as genera of Acanthaceae. |
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