Related Clues:

• Christmas tree glitter
• Tree decor
• Strands in the winter?
• Not the brainiest sort
• Drain of energy
• Tree product
• Tree's blood
• Drain of strength
• It's appetizing to aphids
• Lab warning
• Warning from a doghouse
• Small sailing ship
• Deplete, as energy
• It may be found in a trunk
• Cork, actually