Possible Clues:

• Swamp tree
• Tree of coastal swamps
• Morgan pranged against English tree
• Tree that grows in muddy tropical swamps
• Fellow to craw l out of lake, one that's swamped?
• Island wood whose roots may be waterlogged
• Wander about after small fruit tree
• Tree growing in swamps
• Propose to plant virtually wild tree
• Fellow having wander round back of big tree