Related Clues:

• A samara source
• Avenue tree
• Hockey-stick wood
• Tall tree
• Endangered tree
• Graceful tree
• Samara bearer
• Fungus-ravaged tree type
• Source of shade
• One may stand near a curb
• "Slippery" tree
• Massachusetts' state tree
• __ City (New Haven)
• Colonnade tree, perhaps
• Branch location?