Possible Clues:

• Quiet type who keeps going - one sticking on through injury?
• Mixture of gypsum, sand and water
• Smooth covering for walls and ceilings
• Material for the cast that comes from Paris
• Drub
• On the surface this would seem not to be a singular little flower
• The last part is inside, but the whole of it goes on outside
• A paste; a dressing
• Material applied to walls
• Bandage coating