Corolla in different shades from pale blue to maroon to pink, bilipped.
Stamens fused to form a tube.
Flowering and Fruiting Time : Not known.
The leaves are strongly flavoured and make an excellent addition to stuffings for meat and poultry.
The leaves have also had many traditional medicinal uses, especially for the treatment of coughs, sore throats and nasal congestion, but also for a range of other problems such as infections, rheumatism and flatulence.
It is also found to be cultivated in home-gardens.