AUSTRALIAN HIBISCUS SOCIETY INC.
HOW TO REGISTER YOUR SEEDLINGS
To register your new seedling, you need to register yourself as a registrant with your personal details and country of origin - a photo is optional. It is free.
Then the next time you register another new hibiscus, you just have to log in, under your name.
Click http://internationalhibiscussociety.org/new/ to get started
The details needed for the flower are found here Registration_form.pdf
A detailed online procedure is ONLINE REGISTRATION.pdf