!Panax sikkimensis Panax sikkimensis, also known as Ginseng, is a medicinal plant. This is a prennial herb with tubers. It grows in temperate and sub temperate zones. Ideal for cultivation as under planting. The tubers are highly priced and has high demand. This is a rejuvenating general tonic. Propagation through seeds and tubers. Harvest by 4-8 years.