1. the process of becoming green or greenish
Usage: botanical
2. abnormal development of green coloration in plant parts that are normally not green
Usage: botanical; technical

Examples

• The virescence of the flower petals indicated a plant disease.
• Scientists studied the virescence occurring in the white roses.
• Virescence can be caused by certain viral infections in plants.
• The gardener noticed virescence in what should have been red blooms.
• This genetic mutation causes virescence in the plant’s reproductive parts.
• The botanist documented cases of virescence in several flower species.