Laticifers in Nelumbo nucifera Gaertn.: Distribution and Structure

Abstract
The laticifers of Nelumbo nucifera Gaertn. (Nelumbonaceae) occur in vascular bundles and separately from these in the ground parenchyma. In common with laticifers in some other plants, they pass through a stage when they contain numerous small vacuoles, or vesicles, which later merge with the central vacuole. Osmiophilic globules are formed in the small vacuoles and later released into the central one. Partial disintegration of protoplasts takes place in the central vacuole, apparently by autophagy. The globules are retained. The laticifers are long thin-walled cells. Many show single perforations in the end walls.

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