Rupert wrote:
I have just received this plant,along with other weirdoes', as a belated
Christmas present from a friend . One of those "who can outdo the other"
presents.
None of my ref books have anything about this , although I can find Francoa.
Over to the experts.

You're lucky. Never heard of Francoa, altrovulgaris doesn't exist and
chrysomelidae is an insect, a beetle, brown and yellow. Quite an
amasing plant indeed ...