Possible Clues:

• Eucalyptus, e.g
• Stick on gallows, up there is a difficult situation
• Eucalyptus, for instance - up it, you're in trouble!
• One could be stuck up one
• Stick with yesteryear's actor in a difficult situation
• Eucalyptus, e.g.
• Eucalyptus you don't want to climb!
• Face up to elder perhaps - in trouble up here?
• Sort of plant to have sticker on?
• Up a - -, in a predicament