leucoplast

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Related to leucoplasts: chromoplasts

leucoplast

a colourless PLASTID of plant cells in which starch is often formed (see AMYLOPLAST). Leucoplasts may develop chlorophyll and function as CHLOROPLASTS as, for example, in potato tubers when lifted and exposed to light.
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The cytoplasm of epidermis and hypodermis cells contained cell nuclei, leucoplasts with small starch grains (exclusively in the "Conference"), numerous mitochondria, and ER (Figures 9(b)-9(d)).
Leucoplasts may be transformed into chloroplasts when exposed to light.
A statolith is an object in the plant cell now thought to be an amyloplast, which belongs to a class of colorless plastids called leucoplasts. When the plant is placed in the horizontal position, statoliths fall to the bottom of the cell, which causes changes in IAA gradients resulting in differential growth.