Abstract
A detail comparative study on leaf micro-morphology was conducted on the genus Lepisanthes from Peninsular Malaysia, five chosen species namely as L. amoena (Hassk.) Leenh., L. fruticosa (Roxb.) Leenh., L. rubiginosa (Roxb.) Leenh., L. senegalensis (Juss. ex Poir.) Leenh. and L. tetraphylla (Vahl.) Radlk. The objective of this study is to identify the leaf micro-morphological characteristics that can give significance impact for species identification and classification. Lepisanthes is an important tropical rare fruit genus in Malaysia and it is important to characterize and documenting additional taxonomic evidences that can be useful in Sapindaceae taxonomy information which is still lacked. The methods involved dehydration process, critical point drying, gold coated and observation under scanning electron microscope. Leaf micro-morphology showed significance taxonomic value in the genus Lepisanthes and can be used as additional data for species identification. Diagnostic character was found in L. fruticosa via the presence of four different types of trichomes on the abaxial and adaxial epidermal surfaces. As a conclusion, variation in cuticular striation, stomata structure, type of waxes and trichome morphology can be used in Lepisanthes species identification.
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