Ashwagandha (Withania somnifera) belongs to Solanaceae (the Nightshade family). It is an evergreen shrub that is native to the nortwestern states of India. This shrub grows in the drier areas, and up to a height of 35-75 cm. The branches are tomentose and extend radially from a central stem. The leaves are dull green, elliptic, usually up to 10-12 cm long. The flowers are small, green and bell-shaped. The fruit ripen in orange-red. Ashwagandha root is known as an anti-stress herb.