Brihati (Solanum indicum) is a spiny and highly branched shrub, usually dispersing or diffused, growing up to 1-5 meters in height. Its younger branches are thickly covered with minute star - shaped hair. The spines are shining yellow, about 1-5 cm long.
The leaves are large simple and oval shaped with a length of about 10 cm and these are prickled in the middle vein. Their flowers are purple colored about 2 cm long. The fruits are round reddish or dark yellow colored when ripe, about 1.5 - 2 cm. The seeds are smooth, minutely pitted. Roots are long pale yellowish-brown in color. It is woody, cylindrical and ribbed and well developed about 2.5 cm in diameter. It has numeral secondary roots having branches and its surface is rough due to presence of longitudinal striations and root scars, fracture, short and splintery and no distinct odor and taste.