Tropicals & Tender Perennials: Hoya Blooming, 2 by weeding

weeding wrote:
My hoya nummularioides has finally bloomed. I have had several hoyas for years that have not bloomed and hoya nummularioides is one of them. My hoya rubra, obovata and one I do not know the name of bloom all the time. I know that they do not have enough light so I have recently bought some plant lights to place over them.
Can someone tell me the name of the hoya on this page with the giant purple and white bloom.
http://vermonthoyascom.fatcow.com/cultivation/