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FOLIAR MICROMORPHOLOGICAL SCREENING FOR IDENTIFICATION OF MORACEAE TAXA

. Fazal Hadi, Urooj Jamal, Noreen Khan, Jawad Akbar, Abdur Rahman Khan, Atta Ur Rehman & Saqib Ullah


Abstract

The study was based on investigating the adaxial and abaxial surfaces of epidermis of nine species of family Moraceae. The study exhibited that most of the plants were hypostomatic i.e., there was absence of stomata on the adaxial surface of the leaf. Leaf epidermal anatomy was found taxonomically appropriate in the identification at the generic and species level. The shapes of epidermal cells were mostly irregular in shape but some with straight margins were also observed. Most of the characters especially trichomes were diagnostic and used for distinguishing the taxa. On the other hand, variation in shape and size of epidermal cells and other stomatal features were examined on both adaxial and abaxial surfaces in all selected species. Mostly all of the studied species having anomocytic type of stomata alone or with the combination of other types of stomata on adaxial and abaxial surfaces epidermal surfaces. Stomatal index is also an important tool used in classification of plants. Stomatal index of Broussonetia papyrifera 76.7% is the highest and Ficus benjamina 2.13% is the lowest among all species on adaxial surface. Ficus religiosa 61.8% is the highest and Ficus virens 3.06% is the lowest on abaxial surface. This research is important for the classification and identification of plants.

Index-Term: Foliar anatomy, Moraceae, Light Microscopy, Scanning Electron Microscopy

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