The role of characteristic thickened cell walls contributing to the super-prolongation of flower ornamental periods

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The scarious floral leaves have aesthetic values without wilting or discoloration for many years. This research characterized scarious floral leaves by morphological and biochemical approach. In the result, we found the characteristic thickened secondary cell walls showing orientation of cellulose microfibrils for all cells. The fine structures of secondary cell walls varied in plant species. Neutral carbohydrate composition of scarious floral leaves were studied. This research provides knowledge about the cell wall characters involving the prolongation of flower ornamental periods.