I have had this question asked of me recently: "Is 'Yellow King Humbert' the same Canna as 'Cleopatra', eg. the original name of the same Canna?" As I do not know for sure, may I defer this question to you, Raelene? Cheers, Dianne.
Hi Dianne, yes Yellow King Humbert is the correct name while cleopatra is a synonym thrown upon it that starting appearing around the 1930s in Australia. From the late 1940's the name cleopatra started appearing internationally whilst describing Yellow King Humbert,, whilst it is a sport from King Humbert perhaps this is how it received a new name or was possibly a name confusion over the French cultivar Cleopatre -E on the end. Do a google image search and you will find some yellow and orange and yellow cannas going by the name also of Yellow King Humbert, refer to link above for a reference from 1918 describing this sport that was found. regards Raelene