Possible Clues:

• Flexible branch offering several investors elbow room, first of all
• Lawn chair material
• Willow for making baskets
• Kind of twig used in basketwork
• Willow's more like another plant, say, when top's removed
• Basket-making willow
• Tree more blooming, polled
• Willow looking healthier when pollarded
• Basket makers' willow
• Shoot dealer in 'old-ups etc