The rhizome of Coptis chinensis is yellow, with branches and many fibrous roots.
The rhizome of Scutellaria baicalensis Georgi is very thick and fleshy. Its bottom is down and up, and its height can reach 30-120cm. The diameter of the bottom is about 2.5-3 mm.
The leaves of Coptis chinensis are leathery, about 3-8 cm in length and 2-3 cm in width. The top is very sharp, in the shape of an egg triangle.
The leaves of Scutellaria baicalensis Georgi are hard paper with a length of 1.5-4.5cm and a width of 0.5-1.2cm. Its top is blunt, and its bottom is round, in the form of lanceolate to linear lanceolate. The upper part of the leaf is dark green, and the lower part is relatively light.
The flowers of Coptis chinensis are linear and linear lanceolate, with a length of about 5-6.5 mm. It is gradually sharp at the top and has a honeypot in the middle.
The flower of Scutellaria baicalensis Georgi is purple, purplish red or blue, and its length is about 2.3-3cm. Its style is very long and thin, apex is sharper, cleft.
