Kindly get me Lanceleaf Periwinkle seeds from Madagascar/anywhere

[pharmadig]

Kindly get me Lanceleaf Periwinkle seeds from Madagascar/anywhere

Catharanthus lanceus (BOJ.) PICHON.Family Apocycaceae Lanceleaf Periwinkle. Originally found in Madagascar
May be found in USA,African countries,India
Kindly help me to get a small quantity of Catharanthus lanceus(Not C roseus) seeds(viable).I will be highly greatful.
Pharmadig