Assertion: upper petal | /r/HasProperty | large
Facets:
Source sentences:
text: The upper petal, called the banner or standard, is large and envelops the rest of the petals in bud, often reflexing when the flower blooms.
text: The flower shape typical of members of the Papilionaceae, having a large upper petal called the standard, two large side petals called wings, and two lower petals, often fused together, called the keel, which encloses the stamens and stigma.