Possible Clues:

• Growth also known as yellow poplar
• Furniture supplier's word of disapproval about energy across border
• American timber supplier's title? Pure fancy!
• Second person in Calais removed reptile from plant
• North American timber plant of the magnolia family
• One of Indiana's state symbols
• Lean actor protecting extremely unusual source of timber
• Yellow poplar
• Bottomless bowl: covering the rim, a model magnolia
• Bad lie - putter used - big bloomer