Melania, Hibiscus storckii is a species name but Catalog of life list it as a synonym of H. rosa-sinensis. I kind of feel like (but I'm not a botanist) it should be a separate species or at a subspecies/var. Here is an interesting article on the topic.
Scroll down to where it says "FROM THE FILES OF BOB RIVERS-SMITH NEW ZEALAND "
http://www.internationalhibisc...
