This is why plants have botanical names, as common names are so confusing. In
this country, Lychnis coronaria is called Maltese cross. However, when I did a
search on the exact term Cruz de Malta, I turned up Ixora coccinea, which is
what the original inquiry was about.
Iris,
Central NY, Zone 5a, Sunset Zone 40
"If we see light at the end of the tunnel, It's the light of the oncoming
train."
Robert Lowell (1917-1977)