While kumquat, pomegranate, Mirabilis japonica
and Haliotis diversicolor had stronger resistance to hydrogen fluoride.
It also has antibacterial activity against some Gram-negative
bacilli(such as Haemophilus influenzae, Escherichia coli, and Proteus Mirabilis).
Race Mirabilis from the Sunda Strait, melanurus from northwestern
Sumatra, opisthopelus, javanus, omissus, ochroptilus, abbotti, eumesus, suavis(Borneo), nigricauda, stricklandii and barbouri are the other island forms.