Hi Danita, I contacted Floranova a year or so back about these numbers (for a different plant) and was told they are catalog numbers not cultivar names.
You should propose them like this. I'll edit the ones already in the queue.
Genus: Begonia
Species: boliviensis
Cultivar: Bossa Nova Orange
Trade name: Orange
Series: Bossa Nova
Common name: Bolivian Begonia [Bolivian with an a I believe]
