Assertion: petal | /r/MadeOf | the corolla
Facets:
Source sentences:
text: Although sepals on many plants are green, on some flowers they can appear to be the main petals or can be almost identical in color or shape to the petals formed by the corolla.
text: The top "petal" is a sepal, as are the two "petals" below the petals formed by the corolla.