Related Clues:

• Non-flowering office staple
• Koala's home
• Yuletide decoration holder
• Boston is one variety
• Support for some houses
• Oak or elm
• Arborist's focus
• Apple or avocado
• Walnut, but not peanut
• Leaves home? (m)
• Lebanon's flag has one
• Logician's drawing
• Shade-loving plant
• 45-Down, for one
• Oak or olive