Convolvulus Cneorum.
Other species in this genus are vines. Profuse pink buds arranged loosely on panicles. The buds unfurl, producing white cone-shaped flowers with a yellow throat. The grey-green leaves are covered in fine hairs giving the plant a silvery appearance.
Kingdom Plantae
Phylum Tracheophyta
Class Magnoliopsida
Order Solanales
Family Convolvulaceae
Genus Convolvulus
Species Cneorum
It will look like this when it escapes the pot.
Bundles of buds and a single flower for now.
A closer look.
Five petals fused together to form a funnel-shaped corolla.
Buds
Purple buds collect in loose panicles on the end of a stem.