In message , Jeff Layman
writes
DaveP wrote:
Rusty wrote:

It looks like the monstrous result of miscegination between a hellebore
and honeysuckle.

And possibly more poisonous than both of them added together Rusty,
but then if we were to try and avoid plant toxins, gardens would be
devoid of the most popular ornamental plants.

I grew it (the Clerodendron) some years ago

I'm pleased someone could identify the species. But have you got the genus
name correct? Although they are totally unrelated and quite different, I
must admit that I always have to think twice before calling a plant
Clerodendrum or Crinodendron! Mind you, there are only a couple of species
of the latter and several hundred of the former.

According to the RHS Dictionary, it should be Clerodendrum.

Clerodendrum is Linnaeus's spelling. Burman coined the name first
spelling it Clerodendron (fide IPNI), but pre-1753 names don't count for
botanical priority.

However, fide Google Clerodendrum only outweighs Clerodendron is general
usage by about 3.5:1. If you go to Google Books (full view) the ratio
drops to about 1.6:1. If you go to the name search at Botanicus, which
is mostly older botanical literature Clerodendron becomes the commoner
spelling.

This is one of the cases where the correct name is not clear to someone
who is not a complete ICBN lawyer. On the one hand Linnaeus used the
form Clerodendrum, on the other hand orthographical mistakes are to be
corrected, and Linnaeus doesn't replicate Burman's spelling is his
citation, so he didn't obviously intend to change the spelling. IPNI has
standardised on Clerodendrum, so presumably that is correct, but it's
not obvious why it is.
--
Stewart Robert Hinsley