Assertion: periwinkle | /r/ObjectUse | used for ground cover
Facets:
Source sentences:
text: The periwinkle, or Catharanthus roseus, is a popular flowering plant used for ground cover, decorative houseplants, and garden plants.
text: The periwinkle, or Catharanthus roseus, is a popular flowering plant used for ground cover, decorative houseplants, and garden plants.