The common names of Trifolium are Red Colover, and Purple
Clover. It is found abundant in Britain, throughout Europe and Central
and Northern Asia. This remedy was introduced by Duncan. The
mother tincture is prepared from flowerhoods and dilutions from it.
The marked symptoms of the remedy are ptyalism, congestion
of salivary glands and profuse flow of saliva. It is a useful remedy in
spasmodic coughs, whooping coughs, coughs of measles, and coryza. It
has also been employed in the cancerous diathesis.