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Ultrastructure of xanthium strumarium leaf chloroplast variation in different cell types



Ultrastructure of xanthium strumarium leaf chloroplast variation in different cell types



Bulletin of the Biological Research Centre Publication (Baghdad) 9: 3-16



Chloroplasts are present in all tissues of the X. strumarium leaf, but they differ from each other in the various tissues of the leaf. Chloroplasts in the mesophyll cells go through unusual developmental stages forming grana stacks as they mature. Epidermal cell chloroplasts are without grana. The bundle sheath chloroplast has less grana than mesophyll cell chloroplasts. Starch grains were found only in the guard cell chloroplasts. In the other tissues chloroplasts were few. Few plants are found to have different types of chloroplasts in the different tissues of the leaf.

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Accession: 006864529

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