Assertion: african violet's flower | /r/HasProperty | double
Facets:
Source sentences:
text: Today, African violets are available in single and double flowers, in all different colors, and with widely varied leaf shapes.
text: The flowers can be single or double and some may have frilled petals.
text: African violets bloom with flowers that are either single and star-shaped, or double and fringed or ruffled.