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Fluorescence microscopy of chloroplasts and a cell filled with tannin

Legend:

1 cell containing tannin
3  intercellular space below stomata
4 vacuole of chlorenchym cell
5  chloroplasts
2  cell wall

English name: Jade plant, money tree
Scientific name: Crassula ovata
Familia: Crassulaceae
Classis: Dicotyledonas
Phylum: Angiospermae
Regnum: Plantae

Chloroplasts look green in normal daylight but give a red autofluorescence when they are illuminated with blue light; Ultraviolet illumination of tannin provides blue fluorescence light. Compare this image with a bright field photo of the same cells.