Figure 4From: Occurrence, types and distribution of calcium oxalate crystals in leaves and stems of some species of poisonous plantsDruse crystals in the stem and leaf cross sections of Saponaria officinalis . (A, B) Druse crystals in the pith cells of the stem. (C, D) Distribution of the druse crystals in leaf mesophyll cells. (Dc: Druse crystals).Back to article page