Comparative foliar micro morphological studies on some Tephrosia Pers. species of Indian Thar Desert
Journal Title: International Journal of Life Science - Year 2018, Vol 6, Issue 2
Abstract
A comparative foliar micro morphological study of four species of Tephrosia Pers. viz. Tephrosia purpurea, Tephrosia uniflora subsp. petrosa, Tephrosia villosa, Tephrosia wallichii of Indian Thar desert was carried out to elucidate their taxonomic relationship. Stomata and trichomes along with epidermal cell characters were investigated for demarcation of species. Epidermal cells were polygonal isodiametric and rectangular in shape with straight to curved anticlinal wall. All four species were amphistomatic and in addition to classical stomatal types, some new stomatal types such as staurocytic, isotricytic, hemiparacytic, anomotetracytic, brachyparatetracytic were also reported. Trichomes were two types- simple, uniseriate, eglandular and peltate glandular and occurred on lower surface of leaf in all four species. Trichomes were present on upper epidermis in T. villosa and T. wallichii but absent in T. purpurea, T. uniflora subsp. petrosa. Present study on foliar epidermis of all four species of Tephrosia revealed that all micro morphological characters of leaf shows inter specific relationship among the species, which could be remarkable and reassuring taxonomic tool in delimitation of these species.
Authors and Affiliations
Vandana GS, GS Deora
Keywords
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