I've mentioned before this night-blooming house plant - its buds open at night and fill the entire lobby of my building (as well as the elevator, even after it traveled to other levels) with an intensely intoxicating aroma redolent of kewda, honesuckle, hyacinth and wasabi.

When it was in full bloom I described it as "possessing a moist, humid presence that is difficult to describe, or ignore".

Can you please help me identify it?

Perhaps this photo of the plant in daylight will be more helpful: