In article , Pam Moore
writes
I agree with Sacha. That was my first thought but ricinus leaves can
be as big as fatsia and it can get to 4 or 5 feet tall. It's what the
poison ricin is made from.

I was browsing the Chiltern catalog last night, and saw that they sell a
variety ("Zanzi Palm") that reaches 12 feet.
--
Stewart Robert Hinsley