Tabernaemontana divaricata, commonly called pinwheel flower, crape jasmine, East India rosebay, and Nero's crown, It is an evergreen shrub or small tree native to South Asia, Southeast Asia and China.In zones where it is not hardy it is grown as a house/glasshouse plant for its attractive flowers and foliage. The stem exudes a milky latex when broken, whence the name milk flower.