She had no clue what it was, had never seen it bloom before, so I had to do some serious googling:
Hoya carnosa
on Wikipedia:seems to be an exact match.
It took almost a year, but the 50 persistant explorers from the Cupcake
Project finally succeeded in finding the #1, best tasting, best
textured, Densest, Moistest Chocolatiest, easiest to make Chocolate
Cupcake in the World!!!