Plant tissues. Parenchyma
STORAGE
Organ: root, storage parenchyma in the root cortex.
Species: buttercup (Ranunculus repens).
Technique: 8 µm thick section stained with Alcian blue / safranin.
Species: buttercup (Ranunculus repens).
Technique: 8 µm thick section stained with Alcian blue / safranin.
This figure shows root parenchyma cells containing storage inclusions, probably starch, that appear as purple grains. Cells are rounded in shape and have primary cell walls since they are stained in blue by the Alcian blue dye. Some cells lack storage material, but this can result from the histological process. Many empty intercellular spaces can be observed.