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Millettia leucantha Kurz belongs to the family Fabaceae. The wood sample of M. leucantha was collected from Scientific Equipment and Research Division, Kasetsart University Research and Development Institute. The sample was made into permanent slides. The preparation of the wood sample was processed with a sliding microtome. The wood anatomical structure was studied under a light microscope and a field emission scanning electron microscope. The results showed that the wood is diffuse porous. Pores are solitary and multiples (2-9). Rays are uniseriate heterocellular and multiseriate heterocellular (Krib’s TypeII). Vessels are round to oval shapes. Intervessel pits are bordered pits and alternate pitting arrangement. Axial parenchyma cells are banded paratracheal. The transverse section of wood showed that the parenchyma bands are wider than the fiber bands. Starch grains are found in axial parenchyma and rays. Prismatic crystals present in axial parenchyma. From the results to reveal basic anatomy of M. leucantha wood which will be applied to classify species in genus or evaluate of wood properties.
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