Fig. 2From: Cell organelles and fluorescence of parenchyma cells in Eucalyptus bosistoana sapwood and heartwood investigated by microscopySapwood section from a 2-year-old E. bosistoana tree showing ray parenchyma imaged at the same location that had been stained sequentially with a toluidine blue and b potassium iodide. Arrows indicate examples of organelles showing differential staining. Scale bar 20 μmBack to article page