Assertion: verbena's flower | /r/AtLocation | 4–11 cm
Facets:
value: at the top of the stems
type: LOCATION
value: in diameter
type: OTHER
Source sentences:
text: The hermaphrodite flowers are white, produced in corymbs 4–11 cm (2–4 in) in diameter at the top of the stems; each corymb comprises a ring of outer sterile flowers 1.5–2 cm in diameter with conspicuous petals, surrounding a center of small (5 mm), fertile flowers; the flowers are produced in early summer, and pollinated by insects.