Having the petals united; gamopetalous.
With the petals attached together, at least toward their base.
when petals are joined together.
With fused petals.
with the petals at least partially united
having a corolla composed of partially or wholly fused petals forming a corolla shaped like a tube or funnel
(= gamopetalous): with the petals united by their margins, at least at the base. cf. polypetalous.
sim-pet a-las The petals are united (Greek syn together, and petalon leaf)