The Flowers of the Two Hoya undulata Clones Have Far Different Coloration

The wavy leaved original clone that has just flowered has much more color in the yellow/orange spectrum than the mostly ivory colored blooms of the smooth edged clone. It also appears that the coronal lobes are wider as well on the wavy edged clone.

The Smooth edged Hoya Undulata
The Wavy-leaved Clone of Hoya undulata