Possible Clues:

• Jersey etc must be worn by order of Parliament in plants
• Desert greenery
• Dragon fruit plants
• Succulents of a sort
• Desert features some heroic activity
• Saguaro and tasajillo
• Prickly Arizonans
• Plants seen in front of Coliseum before start of play
• Leafless plants
• Caught first part of play, ÒPrickly PearsÓ perhaps