John I don't think it's a Lei flower (Plumera genus). Here are a few more pictures, take a closer look:
cuas: The cardo santo plant is analgesic. It has hallucinogenic properties and is used as a sedative/ mild pain reliever. It's close to the opium poppy.
The milk is used on warts, lip sores, blisters, and other skin problems. Also been used for cataracts. The seeds are used for snake bites.
These plants are going to make it to our landscape garden.