Any of these can delay the normal flowering period. Sometimes, if they are severely stressed, they may be attacked by scale insects. These look like spots on the leaves or stems that can be scraped off with a fingernail. They can be removed with a cotton swab dipped in rubbing alcohol. Be sure to remove the source of the stress.
Wrinkled leaves can signal either too little or too much water.
You can readily tell by pushing your finger into the potting medium up to the second knuckle. After you determine which it is, change your watering habits to compensate. It is always better to under than over-water. Inc. All rights reserved.