Assertion: periwinkle | /r/HasProperty | excellent
Facets:
value: with a habit
type: OTHER
value: for preventing soil erosion
type: PURPOSE
Source sentences:
text: With a habit that most often chokes out competing plants and weeds, Periwinkle is also excellent for preventing soil erosion.
text: Periwinkle is an excellent all-round astringent that maybe used internally or externally.