I agree with Tiffany Callisia fragrans is the easiest plant I have ever grown. You cannot kill it if you set it on fire. I think that plant would walk out of the fire and tell you how hot it was in there.
My star jasmine died because I was caring for my mom and I lost a lot of plants during that time because I did not water them. But it was very easy in very low light for 3 yrs. as I said it had awesome fragrance.
Jacquie, thank you for the suggestion of that African one. I saw it last night doing a search and was considering it to replace my star jasmine.