SYSTEMATIC REVISION OF COMPOSITAE IN EGYPT. 11. LAUNAEA CASS. WITH SPECIAL REFERENCES TO ACHENE DIVERSITY | ||||
| Assiut University Journal of Multidisciplinary Scientific Research | ||||
| Volume 44, Issue 2, December 2015, Page 83-105 PDF (939.15 K) | ||||
| Document Type: Novel Research Articles | ||||
| DOI: 10.21608/aunj.2015.222254 | ||||
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| Abstract | ||||
| A systematic revision for the species of Launaea Cass. in Egypt has revealed the presence of fourteen taxa belonging to 12 species, of which L. acanthodes (Boiss.) Kuntze is a new recorded. One new combination » L. fragilis subsp. tenuiloba (Boiss.) Zareh & Mohamed’ is made. Achene diversity of the studied taxa of Launaea was studied using light and scanning electron microscopy. The taxonomic relationships between the studied taxa were discussed as well as SEM micrographs of achenes are provided. Synonyms and key for the identification of the investigated taxa based on morphological characters as well as notes on distribution are provided. | ||||
| Keywords | ||||
| Achenes; Compositae; Egypt; Launaea; Morphology; SEM; Systematic; ultrastructure | ||||
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