Anatomical Tool as Additional Approach for Identifying Pharmaceutically Important <i>Ephedra</i> Species (Ephedraceae) at Gender Identity Level in Egypt
The genus <i>Ephedra</i> Tourn. ex L. (Ephedraceae) is an important source with pharmacological and environmental potential. Conversely, <i>Ephedra</i> spp. still exhibit taxonomic complexity, especially for the specimens lacking reproductive cones. This complexity is attribu...
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2024-11-01
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| author | Maha H. Khalaf Wafaa M. Amer Najla A. Al Shaye Mahmoud O. Hassan Nasr H. Gomaa |
| author_facet | Maha H. Khalaf Wafaa M. Amer Najla A. Al Shaye Mahmoud O. Hassan Nasr H. Gomaa |
| author_sort | Maha H. Khalaf |
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| description | The genus <i>Ephedra</i> Tourn. ex L. (Ephedraceae) is an important source with pharmacological and environmental potential. Conversely, <i>Ephedra</i> spp. still exhibit taxonomic complexity, especially for the specimens lacking reproductive cones. This complexity is attributed to its xeromorphic features, notably the reduced leaves and analogous assimilating branches, which make the species identification a real challenge. The current study provides a pioneering approach to distinguish fragments of <i>Ephedra</i> species at the gender level. This study was based on the stem anatomy and stem epidermal features using a light microscope for five species (<i>E. alata</i> Decne., <i>E. aphylla</i> Forssk., <i>E. ciliata</i> Fisch. & C.A.Mey., <i>E. foeminea</i> Forssk. and <i>E. Ephedra pachyclada</i> Boiss.) represented by ten genders collected from S. Sinai, Egypt. Anomocytic and brachyparacytic stomata, tanniniferous idioblasts, annual rings, a terete and furrowed outline, the number and width of tracheids, patches of cortical fibers, unicellular trichomes, druses, solitary crystals, and the activity of interfascicular cambium were among the distinguishing features that were found. Different statistical analyses were applied to explore the diversity at interspecific and intra-generic levels. This study revealed that the stem anatomy was not only an efficient tool for identifying the investigated five <i>Ephedra</i> species at the species level but also presented a differential key to distinguish between genders and species. In addition, our results indicated that the epidermal features played a critical role in differentiating the studied <i>Ephedra</i> species at the gender level. This study confirms the efficacy of stem anatomy as an identification approach for the <i>Ephedra</i> species at the gender level and recommends this approach to identify the fragmented <i>Ephedra</i> for taxonomical, pharmaceutical, and medical applications. |
| format | Article |
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| institution | Kabale University |
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| language | English |
| publishDate | 2024-11-01 |
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| spelling | doaj-art-3c8d845438134b0e907d720c7d85f55a2024-11-26T17:52:35ZengMDPI AGBiology2079-77372024-11-01131194710.3390/biology13110947Anatomical Tool as Additional Approach for Identifying Pharmaceutically Important <i>Ephedra</i> Species (Ephedraceae) at Gender Identity Level in EgyptMaha H. Khalaf0Wafaa M. Amer1Najla A. Al Shaye2Mahmoud O. Hassan3Nasr H. Gomaa4Department of Botany and Microbiology, Faculty of Science, Beni-Suef University, Beni-Suef 62521, EgyptDepartment of Botany and Microbiology, Faculty of Science, Cairo University, Giza 12613, EgyptDepartment of Biology, College of Science, Princess Nourah bint Abdulrahman University, P.O. Box 84428, Riyadh 11671, Saudi ArabiaDepartment of Botany and Microbiology, Faculty of Science, Beni-Suef University, Beni-Suef 62521, EgyptDepartment of Botany and Microbiology, Faculty of Science, Beni-Suef University, Beni-Suef 62521, EgyptThe genus <i>Ephedra</i> Tourn. ex L. (Ephedraceae) is an important source with pharmacological and environmental potential. Conversely, <i>Ephedra</i> spp. still exhibit taxonomic complexity, especially for the specimens lacking reproductive cones. This complexity is attributed to its xeromorphic features, notably the reduced leaves and analogous assimilating branches, which make the species identification a real challenge. The current study provides a pioneering approach to distinguish fragments of <i>Ephedra</i> species at the gender level. This study was based on the stem anatomy and stem epidermal features using a light microscope for five species (<i>E. alata</i> Decne., <i>E. aphylla</i> Forssk., <i>E. ciliata</i> Fisch. & C.A.Mey., <i>E. foeminea</i> Forssk. and <i>E. Ephedra pachyclada</i> Boiss.) represented by ten genders collected from S. Sinai, Egypt. Anomocytic and brachyparacytic stomata, tanniniferous idioblasts, annual rings, a terete and furrowed outline, the number and width of tracheids, patches of cortical fibers, unicellular trichomes, druses, solitary crystals, and the activity of interfascicular cambium were among the distinguishing features that were found. Different statistical analyses were applied to explore the diversity at interspecific and intra-generic levels. This study revealed that the stem anatomy was not only an efficient tool for identifying the investigated five <i>Ephedra</i> species at the species level but also presented a differential key to distinguish between genders and species. In addition, our results indicated that the epidermal features played a critical role in differentiating the studied <i>Ephedra</i> species at the gender level. This study confirms the efficacy of stem anatomy as an identification approach for the <i>Ephedra</i> species at the gender level and recommends this approach to identify the fragmented <i>Ephedra</i> for taxonomical, pharmaceutical, and medical applications.https://www.mdpi.com/2079-7737/13/11/947<i>Ephedra</i> fragmentslight microscopestem anatomyepidermal systemgender identificationEphedraceae |
| spellingShingle | Maha H. Khalaf Wafaa M. Amer Najla A. Al Shaye Mahmoud O. Hassan Nasr H. Gomaa Anatomical Tool as Additional Approach for Identifying Pharmaceutically Important <i>Ephedra</i> Species (Ephedraceae) at Gender Identity Level in Egypt Biology <i>Ephedra</i> fragments light microscope stem anatomy epidermal system gender identification Ephedraceae |
| title | Anatomical Tool as Additional Approach for Identifying Pharmaceutically Important <i>Ephedra</i> Species (Ephedraceae) at Gender Identity Level in Egypt |
| title_full | Anatomical Tool as Additional Approach for Identifying Pharmaceutically Important <i>Ephedra</i> Species (Ephedraceae) at Gender Identity Level in Egypt |
| title_fullStr | Anatomical Tool as Additional Approach for Identifying Pharmaceutically Important <i>Ephedra</i> Species (Ephedraceae) at Gender Identity Level in Egypt |
| title_full_unstemmed | Anatomical Tool as Additional Approach for Identifying Pharmaceutically Important <i>Ephedra</i> Species (Ephedraceae) at Gender Identity Level in Egypt |
| title_short | Anatomical Tool as Additional Approach for Identifying Pharmaceutically Important <i>Ephedra</i> Species (Ephedraceae) at Gender Identity Level in Egypt |
| title_sort | anatomical tool as additional approach for identifying pharmaceutically important i ephedra i species ephedraceae at gender identity level in egypt |
| topic | <i>Ephedra</i> fragments light microscope stem anatomy epidermal system gender identification Ephedraceae |
| url | https://www.mdpi.com/2079-7737/13/11/947 |
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