Related Clues:

• South east Queensland, unlike outback in Australia, primarily redwood
• Tree ring shrunk a bit in salt water
• What, in France, is put in water? A big tree
• Quasi-Executive Officer bound to grow tall in California
• Questionable sine qua non when chopping every northern conifer
• A redwood tree, especially the California redwood
• Giant redwood
• Tree whose name contains all five vowels
• California's General Sherman, e.g
• National park including Mount Whitney
• Enormous evergreen
• Marine guards Queen, returning debt that will grow massively
• Big tree in the main including endless ring
• ''Giant'' at a California national park
• Giant Californian coniferous tree