Leaf anatomical and micromorphological systematic significance of Schoutenia Korth. in Peninsular Malaysia
An anatomical and micromorphological study of the leaf epidermis was conducted on the Schoutenia from the Tiliaceae family in Peninsular Malaysia. This genus is also classified in the subfamily Dombeyoideae according to classification based on plastid atpB analysis and rbcL DNA sequence. The obje...
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| Main Authors: | , , , , , , |
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| Format: | Article |
| Language: | English English |
| Published: |
Universiti Putra Malaysia
2024
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| Subjects: | |
| Online Access: | http://irep.iium.edu.my/112926/2/112926_%20Leaf%20anatomical%20and%20micromorphological.pdf http://irep.iium.edu.my/112926/3/112926_%20Leaf%20anatomical%20and%20micromorphological_Scopus.pdf http://irep.iium.edu.my/112926/ https://malaysianjournalofmicroscopy.org/ojs/index.php/mjm/article/view/809 |
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| Summary: | An anatomical and micromorphological study of the leaf epidermis was conducted
on the Schoutenia from the Tiliaceae family in Peninsular Malaysia. This genus is also
classified in the subfamily Dombeyoideae according to classification based on plastid atpB
analysis and rbcL DNA sequence. The objective of the study is to identify similarities and
variations in the anatomical and micromorphological characteristics of the Schoutenia taxon
studied to overcome identification problems, especially for species that are difficult to
distinguish due to similar morphological characteristics. Anatomical study methods involve
specimen collection, sliding microtome slices, epidermal peels, tissue clarification, staining,
and observation under a light microscope. The method of studying the micromorphology of
the leaf epidermis involves critical point drying, gold coating, and observation under a
scanning electron microscope. The results of the study show some significant characteristics
for the differentiation of Schoutenia species studied, namely wax on the leaf epidermis,
adaxial epidermal cuticle ornamentation, the external shape of midrib and leaf margins, the
presence of intraxilary phloem and sclerenchyma phloem. Several identified features can be
used as diagnostic features to identify the species of Schoutenia studied directly. Therefore,
the results of the study clearly show the taxonomic value of the anatomical and
micromorphological characteristics of the Schoutenia genus from the Malay Peninsular. |
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