When H. krohniana Is Not H. krohniana

It has recently come to my attention that my Hoya krohniana, which came to me as the heart-leafed lacunosa at least a dozen years ago is now oddly in demand. My leaves are always cordate, which means heart-shaped. Many of the plants sold now as Hoya krohniana Splash, Silver, Black leaf, Super Silver, etc. do not have truly cordate leaves, and if they start out that way, they revert to looking like a regular lacunosa-shaped leaf. Who thought that my lowly little heart-leafed lacunosa would be back in demand after all this time! The flowers from this morning: