Assertion: verbena's flower | /r/HasAspect | petal
Facets:
Source sentences:
text: The individual flowers have no petals; rather, they are composed of yellow bracts forming a trumpet-shaped calyx about the stamens.
text: Flowers have 5 petals fused at the base forming a short tube.
text: The flowers have five petals and it’s leaves are oval with wedgy edges.
text: L. camara has small tubular shaped flowers, which each have four petals and are arranged in clusters in terminal areas stems.