Original Articles
DISTRIBUTION OF CALCIUM OXALATE CRYSTAL CONTAINING IDIOBLASTS IN THE LEAVES OF SYNGONIUM PODOPHYLLUM Schott | |
Sk. Md. Abu Imam Saadi and Amal kumar Mondal | |
The leaves of Syngonium podophyllum were examined microscopically to determine the distribution of both druse and raphide idioblasts. Druse crystal idioblasts are small spherical cells found throughout the lamina mostly in sub-epidermal areas. Two types of raphide idioblasts were observed in the leaves of Syngonium podophyllum: the non defensive raphide idioblasts, which are elongated or more or less egg shaped cells usually found embedded in tissues of the leaf margins; and the defensive raphide idioblasts, also elongated cells, but usually found suspended between mesophyll cells in leaf airspaces. The average densities of raphide cells were highest in young leaf than the matured leaf and average densities of druse cells were highest in mature leaf than the young leaf. The raphide and druse cells showed a bilaterally symmetrical distribution during all stages from young to mature leaves but, generally contain more druses than raphides. |
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