Possible Clues:

• Having an enduring popularity
• Enduring horrible revenge, sovereign incarcerated
• Always envious, for constantly popular person
• Ivy for one always jealous
• Always fresh
• Cluedo character goes topless endlessly, like Holly?
• Laurel say remaining fresh and vital
• Reliable English clergyman suspected of murder, somewhat taken aback
• The foliage remains throughout the year
• Holly, for example, enduringly popular