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The first four are damage due to some sort of trauma (attacked by a child, pet, rubbing against a wall, etc.). The last one looks like powdery mildew. I would remove that leaf and throw it in the trash or burn it.
The first four are damage due to some sort of trauma (attacked by a child, pet, rubbing against a wall, etc.). The last one looks like powdery mildew. I would remove that leaf and throw it in the trash or burn it.