Orbea deflersiana I think am right that I grew these for yrs until "friends" stole almost all of my plants. The flower is deeper in color here and they have no thorns. I will research & add a comment if I am incorrect!
Cinnamon-Scented Wax Plant (Hoya lacunosa) A rich cinnamon-scented fragrance fills the night air from the flower umbels of this small Indonesian species. Like most hoyas, this dense vining, small-leafed variety grows well in a hanging basket