Related Clues:

• Fluid in plant stems
• Energy needed to dig tunnels
• Fluid in plants
• Charlie having steak au poivre for starters
• Energy of revolutionary step
• Plant's fluid
• One silly old man's upset
• Step back to see tunnel
• Forest fluid
• Dupe or sucker
• Flower in trees?
• Vital fluid in plants
• To dig trenches one needs vitality
• Cosh; plant's juice
• Undermine weak person