Hoya multiflora, Centrostemma multiflora, Centrostemma platypetalum
Shooting Star Hoya
Origin: Burma to Thailand, China, Malaysia, Philippines
White blooms are borne in large clusters, with the waxy petals swept back behind the center of the flower. A very easily grown hoya with thick glossy green foliage on an upright to spreading plant.
Link to this plant: http://toptropicals.com/catalog/uid/hoya_multiflora.htm