Here is a flower comparison between Hoya obscura and Hoya undulata; it is hard to believe that they are in the same plant genus!
![](https://i0.wp.com/vermonthoyas.com/vhwp/wp-content/uploads/2022/03/Hoya-undulata-and-Hoya-obscura-03172022.jpg?resize=625%2C833&ssl=1)
Here is a flower comparison between Hoya obscura and Hoya undulata; it is hard to believe that they are in the same plant genus!