Foliar epidermal characters of some Senna Mill species (Caesalpinoideae) from Toor Al- Baha District, Lahj Gov., Yemen
University of Aden Journal of Natural and Applied Sciences,
Vol. 27 No. 1 (2023),
The present research includeda comparative epidermal and anatomical Study of the leaflets of six species belonging to the genus Senna.Mill. and growing in Toor Al- Baha District, Lahj Gov., Yemen viz: 1-S. alexandrina 2-S. holosericea 3-S.italica 4- S. obtusifolia 5-S. occidental 6- S. sophera The study involved the epidermal characters such as the ordinary epidermal cells, stomata and epidermal tricomes ( hairs). The results revealed the occurance some features which were helpful for the differentiation between the studied species such as epidermal cells shape, anticlinal cell walls patterns, stomatal types ,stomatal index and epidermal tricomes, and through which an artificial key was made to identify the studied species.
Senna Mill., Anatomy, Foliar Epiderms, Epidermal cells, stomata, tricomes (hairs)
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