Related Clues:

• It may be thorny
• Stop the flow
• Controversial kind of cell
• Sassafras, e.g.
• It connects to the stem
• Snoop (around)
• Dorothy's aunt after being canonized?
• Germinate
• Block
• Flower's petals, collectively
• Popular Toyota
• Square closer
• Bowsprit's setting
• Underground supporter
• Horseradish source