Leaf epidermal morphology of Asparagaceae of Taiwan and its systematic significance

The current study analyzed the epidermal morphology of Asparagaceae in detail and assessed its systematic importance. At the familial level, no consistent characteristics were found, but anticlinal wall and stomata morphology provided systematic information of different tribes, especially Ophiopogon...

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Bibliographic Details
Published in:Microscopy research and technique 2022-06, Vol.85 (6), p.2162-2180
Main Authors: Chao, Chien‐Ti, Tzeng, Hsy‐Yu, Tseng, Yen‐Hsueh
Format: Article
Language:English
Subjects:
Asparagaceae
Environmental factors
Epidermis
light microscope
Microscopy, Electron, Scanning
Morphology
Plant Epidermis - anatomy & histology
Plant Leaves - anatomy & histology
Plant Stomata
plant taxonomy
scanning electronic microscope
Stomata
stomatal index
Taiwan
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Summary:The current study analyzed the epidermal morphology of Asparagaceae in detail and assessed its systematic importance. At the familial level, no consistent characteristics were found, but anticlinal wall and stomata morphology provided systematic information of different tribes, especially Ophiopogoneae and Polygonateae. In Ophiopogoneae, Liriope and Ophiopogon had similar epidermis, which implying a close relationship between them, and was also supported by related studies. The leaves of Polygonateae exhibited rounded and undulate anticlinal wall. Polygonatum arisanense var. formosanum had a rounded anticlinal wall, whereas other species exhibited undulate anticlinal walls. Different epidemis of Po. arisanense var. formosanum supported the variety treatment of Po. arisanense. The intergeneric relationship was also interpreted based on the anticlinal wall and stomata. Therefore, the epidermis could provide the systematic value of Asparagaceae. The present study also revealed the linkage of stomata and habitat types, though the adaptative significance of epidermal traits needs further study. Research Highlights Anticlinal wall and stomatal morphology had systematic potential on tribal or generic levels of Asparagaceae. Stomatal types of Asparagaceae might be linked to environmental factors. Various stomata types of Asparagaceae of Taiwan
ISSN:1059-910X
1097-0029
DOI:10.1002/jemt.24074