Name: Suzanne/Sue Sebastopol, CA (Zone 9a) Sunset Zone 15
I'll let Zuzu take care of this, as usual, when she gets her computer back from shop in a day or so.
I do find it odd that so many vendors list it with 2 i's.
Name: Joshua Melbourne, Victoria, Australia (Zone 10a) Köppen Climate Zone Cfb
Sometimes a name can be misspelt when it is first published and it is only later that the error in the botanical Latin (often to do with the gender of the genus) is detected. Of course, by that time it's too late and everybody's using the misspelling!